Members Can Post Anonymously On This Site
NASA’s LEXI Will Provide X-Ray Vision of Earth’s Magnetosphere
-
Similar Topics
-
By NASA
The Roscosmos Progress 90 cargo craft approaches the International Space Station for a docking to the Poisk module delivering nearly three tons of food, fuel, and supplies replenishing the Expedition 72 crew. Credit: NASA NASA will provide live coverage of the launch and docking of a Roscosmos cargo spacecraft delivering approximately three tons of food, fuel, and supplies to the Expedition 73 crew aboard the International Space Station.
The unpiloted Roscosmos Progress 92 spacecraft is scheduled to launch at 3:32 p.m. EDT, Thursday, July 3 (12:32 a.m. Baikonur time, Friday, July 4), on a Soyuz rocket from the Baikonur Cosmodrome in Kazakhstan.
Live launch coverage will begin at 3:10 p.m. on NASA+. Learn how to watch NASA content through a variety of platforms, including social media.
After a two-day, in-orbit journey to the station, the spacecraft will dock autonomously to the space-facing port of the orbiting laboratory’s Poisk module at 5:27 p.m. on Saturday, July 5. NASA’s rendezvous and docking coverage will begin at 4:45 p.m. on NASA+.
The Progress 92 spacecraft will remain docked to the space station for approximately six months before departing for re-entry into Earth’s atmosphere to dispose of trash loaded by the crew.
Ahead of the spacecraft’s arrival, the Progress 90 spacecraft will undock from the Poisk module on Tuesday, July 1. NASA will not stream undocking.
The International Space Station is a convergence of science, technology, and human innovation that enables research not possible on Earth. For nearly 25 years, NASA has supported a continuous U.S. human presence aboard the orbiting laboratory, through which astronauts have learned to live and work in space for extended periods of time. The space station is a springboard for developing a low Earth economy and NASA’s next great leaps in exploration, including missions to the Moon under Artemis and, ultimately, human exploration of Mars.
Learn more about the International Space Station, its research, and crew, at:
https://www.nasa.gov/station
-end-
Jimi Russell
Headquarters, Washington
202-358-1100
james.j.russell@nasa.gov
Sandra Jones / Joseph Zakrzewski
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov / joseph.a.zakrzewski@nasa.gov
Share
Details
Last Updated Jun 30, 2025 LocationNASA Headquarters Related Terms
Humans in Space International Space Station (ISS) Johnson Space Center NASA Headquarters View the full article
-
By NASA
When future astronauts set foot on Mars, they will stand on decades of scientific groundwork laid by people like Andrea Harrington.
As NASA’s sample return curation integration lead, Harrington is helping shape the future of planetary exploration and paving the way for interplanetary discovery.
Official portrait of Andrea Harrington. NASA/Josh Valcarcel Harrington works in NASA’s Astromaterials Research and Exploration Sciences Division, or ARES, at Johnson Space Center in Houston, where she integrates curation, science, engineering, and planetary protection strategies into the design and operation of new laboratory facilities and sample handling systems. She also helps ensure that current and future sample collections—from lunar missions to asteroid returns—are handled with scientific precision and preserved for long-term study.
“I am charged with protecting the samples from Earth—and protecting Earth from the restricted samples,” Harrington said. This role requires collaboration across NASA centers, senior leadership, engineers, the scientific community, and international space exploration agencies.
With a multidisciplinary background in biology, planetary science, geochemistry, and toxicology, Harrington has become a key expert in developing the facility and contamination control requirements needed to safely preserve and study sensitive extraterrestrial samples. She works closely with current and future curators to improve operational practices and inform laboratory specifications—efforts that will directly support future lunar missions.
Andrea Harrington in front of NASA’s Astromaterials Research and Exploration Sciences Division Mars Wall at Johnson Space Center in Houston. Her work has already made a lasting impact. She helped develop technologies such as a clean closure system to reduce contamination during sample handling and ultraclean, three-chamber inert isolation cabinets. These systems have become standard equipment and are used for preserving samples from missions like OSIRIS-REx and Hayabusa2. They have also supported the successful processing of sensitive Apollo samples through the Apollo Next Generation Sample Analysis Program.
In addition to technology development, Harrington co-led the assessment of high-containment and pristine facilities to inform future technology and infrastructural requirements for Restricted Earth Returns, critical for sample returns Mars, Europa, and Enceladus.
Harrington’s leadership, vision, and technical contribution have reached beyond ARES and have earned her two Director’s Commendations.
“The experiences I have acquired at NASA have rounded out my background even more and have provided me with a greater breadth of knowledge to draw upon and then piece together,” said Harrington. “I have learned to trust my instincts since they have allowed me to quickly assess and effectively troubleshoot problems on numerous occasions.”
Andrea Harrington in Johnson’s newly commissioned Advanced Curation Laboratory. Harrington also serves as the Advanced Curation Medical Geology lead. She and her team are pioneering new exposure techniques that require significantly less sample material to evaluate potential health risks of astromaterials.
Her team is studying a range of astromaterial samples and analogues to identify which components may trigger the strongest inflammatory responses, or whether multiple factors are at play. Identifying the sources of inflammation can help scientists assess the potential hazards of handling materials from different planetary bodies, guide decisions about protective equipment for sample processors and curators, and may eventually support astronaut safety on future missions.
Harrington also spearheaded a Space Act Agreement to build a science platform on the International Space Station that will enable planetary science and human health experiments in microgravity, advancing both human spaceflight and planetary protection goals.
Andrea Harrington at the National Academies Committee on Planetary Protection and Committee on Astrobiology and Planetary Sciences in Irvine, California. Harrington credits her NASA career for deepening her appreciation of the power of communication. “The ability to truly listen and hear other people’s perspectives is just as important as the ability to deliver a message or convey an idea,” she said.
Her passion for space science is rooted in purpose. “What drew me to NASA is the premise that what I would be doing was not just for myself, but for the benefit of all,” she said. “Although I am personally passionate about the work I am doing, the fact that the ultimate goal is to enable the fulfillment of those passions for generations of space scientists and explorers to come is quite inspiring.”
Andrea Harrington and her twin sister, Jane Valenti, as children (top two photos) and at Brazos Bend State Park in Needville, Texas, in 2024. Harrington loves to travel, whether she is mountain biking through Moab, scuba diving in the Galápagos, or immersing herself in the architecture and culture of cities around the world. She shares her passion for discovery with her family—her older sister, Nicole Reandeau; her twin sister, Jane Valenti; and especially her husband, Alexander Smirnov.
A lesson she hopes to pass along to the Artemis Generation is the spirit of adventure along with a reminder that exploration comes in many forms.
“Artemis missions and the return of pristine samples from another planetary bodies to Earth are steppingstones that will enable us to do even more,” Harrington said. “The experience and lessons learned could help us safely and effectively explore distant worlds, or simply inspire the next generation of explorers to do great things we can’t yet even imagine.”
Explore More
2 min read Hubble Captures Cotton Candy Clouds
This NASA/ESA Hubble Space Telescope image features a sparkling cloudscape from one of the Milky…
Article 4 days ago 6 min read NASA, French SWOT Satellite Offers Big View of Small Ocean Features
Article 5 days ago 2 min read Space Cloud Watch Needs Your Photos of Night-Shining Clouds
Noctilucent or night-shining clouds are rare, high-altitude clouds that glow with a blue silvery hue…
Article 5 days ago View the full article
-
By NASA
5 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Chaitén Volcano in southern Chile erupted on May 2, 2008 for the first time inn 9,000 years. NASA satellites that monitor changes in vegetation near volcanoes could aid in earlier eruption warnings.Jeff Schmaltz, MODIS Rapid Response Team, NASA Goddard Space Flight Center Scientists know that changing tree leaves can indicate when a nearby volcano is becoming more active and might erupt. In a new collaboration between NASA and the Smithsonian Institution, scientists now believe they can detect these changes from space.
As volcanic magma ascends through the Earth’s crust, it releases carbon dioxide and other gases which rise to the surface. Trees that take up the carbon dioxide become greener and more lush. These changes are visible in images from NASA satellites such as Landsat 8, along with airborne instruments flown as part of the Airborne Validation Unified Experiment: Land to Ocean (AVUELO).
Ten percent of the world’s population lives in areas susceptible to volcanic hazards. People who live or work within a few miles of an eruption face dangers that include ejected rock, dust, and surges of hot, toxic gases. Further away, people and property are susceptible to mudslides, ashfalls, and tsunamis that can follow volcanic blasts. There’s no way to prevent volcanic eruptions, which makes the early signs of volcanic activity crucial for public safety. According to the U.S. Geological Survey, NASA’s Landsat mission partner, the United States is one of the world’s most volcanically active countries.
Carbon dioxide released by rising magma bubbles up and heats a pool of water in Costa Rica near the Rincón de LaVieja volcano. Increases in volcanic gases could be a sign that a volcano is becoming more active.Josh Fisher/Chapman University When magma rises underground before an eruption, it releases gases, including carbon dioxide and sulfur dioxide. The sulfur compounds are readily detectable from orbit. But the volcanic carbon dioxide emissions that precede sulfur dioxide emissions – and provide one of the earliest indications that a volcano is no longer dormant – are difficult to distinguish from space.
The remote detection of carbon dioxide greening of vegetation potentially gives scientists another tool — along with seismic waves and changes in ground height—to get a clear idea of what’s going on underneath the volcano. “Volcano early warning systems exist,” said volcanologist Florian Schwandner, chief of the Earth Science Division at NASA’s Ames Research Center in California’s Silicon Valley, who had teamed up with Fisher and Bogue a decade ago. “The aim here is to make them better and make them earlier.”
“Volcanoes emit a lot of carbon dioxide,” said volcanologist Robert Bogue of McGill University in Montreal, but there’s so much existing carbon dioxide in the atmosphere that it’s often hard to measure the volcanic carbon dioxide specifically. While major eruptions can expel enough carbon dioxide to be measurable from space with sensors like NASA’s Orbiting Carbon Observatory 2, detecting these much fainter advanced warning signals has remained elusive. “A volcano emitting the modest amounts of carbon dioxide that might presage an eruption isn’t going to show up in satellite imagery,” he added.
Gregory Goldsmith from Chapman University launches a slingshot into the forest canopy to install a carbon dioxide sensor in the canopy of a Costa Rican rainforest near the Rincón de LaVieja volcano.Josh Fisher/Chapman University Because of this, scientists must trek to volcanoes to measure carbon dioxide directly. However, many of the roughly 1,350 potentially active volcanoes worldwide are in remote locations or challenging mountainous terrain. That makes monitoring carbon dioxide at these sites labor-intensive, expensive, and sometimes dangerous.
Volcanologists like Bogue have joined forces with botanists and climate scientists to look at trees to monitor volcanic activity. “The whole idea is to find something that we could measure instead of carbon dioxide directly,” Bogue said, “to give us a proxy to detect changes in volcano emissions.”
“There are plenty of satellites we can use to do this kind of analysis,” said volcanologist Nicole Guinn of the University of Houston. She has compared images collected with Landsat 8, NASA’s Terra satellite, ESA’s (European Space Agency) Sentinel-2, and other Earth-observing satellites to monitor trees around the Mount Etna volcano on the coast of Sicily. Guinn’s study is the first to show a strong correlation between tree leaf color and magma-generated carbon dioxide.
Confirming accuracy on the ground that validates the satellite imagery is a challenge that climate scientist Josh Fisher of Chapman University is tackling with surveys of trees around volcanoes. During the March 2025 Airborne Validation Unified Experiment: Land to Ocean mission with NASA and the Smithsonian Institution scientists deployed a spectrometer on a research plane to analyze the colors of plant life in Panama and Costa Rica.
Alexandria Pivovaroff of Occidental College measures photosynthesis in leaves extracted from trees exposed to elevated levels of carbon dioxide near a volcano in Costa Rica.Josh Fisher/Chapman University Fisher directed a group of investigators who collected leaf samples from trees near the active Rincon de la Vieja volcano in Costa Rica while also measuring carbon dioxide levels. “Our research is a two-way interdisciplinary intersection between ecology and volcanology,” Fisher said. “We’re interested not only in tree responses to volcanic carbon dioxide as an early warning of eruption, but also in how much the trees are able to take up, as a window into the future of the Earth when all of Earth’s trees are exposed to high levels of carbon dioxide.”
Relying on trees as proxies for volcanic carbon dioxide has its limitations. Many volcanoes feature climates that don’t support enough trees for satellites to image. In some forested environments, trees that respond differently to changing carbon dioxide levels. And fires, changing weather conditions, and plant diseases can complicate the interpretation of satellite data on volcanic gases.
Chapman University visiting professor Gaku Yokoyama checks on the leaf-measuring instrumentation at a field site near the Rincón de LaVieja volcano.Josh Fisher/Chapman University Still, Schwandner has witnessed the potential benefits of volcanic carbon dioxide observations first-hand. He led a team that upgraded the monitoring network at Mayon volcano in the Philippines to include carbon dioxide and sulfur dioxide sensors. In December 2017, government researchers in the Philippines used this system to detect signs of an impending eruption and advocated for mass evacuations of the area around the volcano. Over 56,000 people were safely evacuated before a massive eruption began on January 23, 2018. As a result of the early warnings, there were no casualties.
Using satellites to monitor trees around volcanoes would give scientists earlier insights into more volcanoes and offer earlier warnings of future eruptions. “There’s not one signal from volcanoes that’s a silver bullet,” Schwandner said. “And tracking the effects of volcanic carbon dioxide on trees will not be a silver bullet. But it will be something that could change the game.”
By James Riordon
NASA’s Earth Science News Team
Media contact: Elizabeth Vlock
NASA Headquarters
About the Author
James R. Riordon
Share
Details
Last Updated May 15, 2025 LocationAmes Research Center Related Terms
Volcanoes Earth Natural Disasters Tsunamis Explore More
4 min read Two Small NASA Satellites Will Measure Soil Moisture, Volcanic Gases
Two NASA pathfinding missions were recently deployed into low-Earth orbit, where they are demonstrating novel…
Article 1 year ago 4 min read NASA Announces New System to Aid Disaster Response
In early May, widespread flooding and landslides occurred in the Brazilian state of Rio Grande…
Article 11 months ago 4 min read Into The Field With NASA: Valley Of Ten Thousand Smokes
To better understand Mars, NASA’s Goddard Instrument Field Team hiked deep into the backcountry of…
Article 9 months ago Keep Exploring Discover More Topics From NASA
Missions
Humans in Space
Climate Change
Solar System
View the full article
-
By NASA
NASA’s SpaceX Crew-9 members pose together for a portrait inside the vestibule between the International Space Station and the SpaceX Dragon crew spacecraft. Clockwise from left, are NASA astronauts Butch Wilmore, Nick Hague, and Suni Williams, and Roscosmos cosmonaut Aleksandr Gorbunov.NASA NASA will provide live coverage of the agency’s SpaceX Crew-9 return to Earth from the International Space Station, beginning with Dragon spacecraft hatch closure preparations at 10:45 p.m. EDT Monday, March 17.
NASA and SpaceX met on Sunday to assess weather and splashdown conditions off Florida’s coast for the return of the agency’s Crew-9 mission from the International Space Station. Mission managers are targeting an earlier Crew-9 return opportunity based on favorable conditions forecasted for the evening of Tuesday, March 18. The updated return target continues to allow the space station crew members time to complete handover duties while providing operational flexibility ahead of less favorable weather conditions expected for later in the week.
NASA astronauts Nick Hague, Suni Williams, and Butch Wilmore, as well as Roscosmos cosmonaut Aleksandr Gorbunov, are completing a long-duration science expedition aboard the orbiting laboratory and will return time-sensitive research to Earth.
Mission managers will continue monitoring weather conditions in the area, as Dragon’s undocking depends on various factors, including spacecraft readiness, recovery team readiness, weather, sea states, and other factors. NASA and SpaceX will confirm the specific splashdown location closer to the Crew-9 return.
Watch Crew-9 return activities on NASA+. Learn how to watch NASA content through a variety of additional platforms, including social media. For schedule information, visit:
https://www.nasa.gov/live
For Crew-9 return, NASA’s live operations coverage is as follows (all times Eastern and subject to change based on real-time operations):
Monday, March 17
10:45 p.m. – Hatch closing coverage begins on NASA+
Tuesday, March 18
12:45 a.m. – Undocking coverage begins on NASA+
1:05 a.m. – Undocking
Following the conclusion of undocking coverage, NASA will switch to audio only.
Pending weather conditions at the splashdown sites, continuous coverage will resume on March 18 on NASA+ prior to the start of deorbit burn.
4:45 p.m. – Return coverage begins on NASA+
5:11 p.m. – Deorbit burn (time is approximate)
5:57 p.m. – Splashdown (time is approximate)
7:30 p.m. – Return-to-Earth media conference on NASA+, with the following participants:
Joel Montalbano, deputy associate administrator, NASA’ Space Operations Mission Directorate Steve Stich, manager, NASA’s Commercial Crew Program Jeff Arend, manager for systems engineering and integration, NASA’s International Space Station, NASA’s International Space Station Office Sarah Walker, director, Dragon Mission Management, SpaceX To participate in the briefing media must contact the newsroom at NASA Johnson Space Center in Houston by 5 p.m., March 17, at: jsccommu@mail.nasa.gov or 281-483-5111. To ask questions, media must dial in no later than 10 minutes before the start of the call. The agency’s media credentialing policy is available online.
Find full mission coverage, NASA’s commercial crew blog, and more information about the Crew-9 mission at:
https://www.nasa.gov/commercialcrew
-end-
Joshua Finch / Jimi Russell
Headquarters, Washington
202-358-1100
joshua.a.finch@nasa.gov / james.j.russell@nasa.gov
Kenna Pell / Sandra Jones
Johnson Space Center, Houston
281-483-5111
kenna.m.pell@nasa.gov / sandra.p.jones@nasa.gov
Steve Siceloff / Stephanie Plucinsky
Kennedy Space Center, Florida
321-867-2468
steven.p.siceloff@nasa.gov / stephanie.n.plucinsky@nasa.gov
Share
Details
Last Updated Mar 16, 2025 EditorJennifer M. DoorenLocationNASA Headquarters View the full article
-
By NASA
The unpiloted Roscosmos Progress spacecraft pictured on Aug. 13, 2024, from the International Space Station.Credit: NASA NASA will provide live launch and docking coverage of a Roscosmos cargo spacecraft delivering approximately three tons of food, fuel, and supplies for the crew aboard the International Space Station.
The unpiloted Roscosmos Progress 91 spacecraft is scheduled to launch at 4:24 p.m. EST, Thursday, Feb. 27 (2:24 a.m. Baikonur time, Friday, Feb. 28), on a Soyuz rocket from the Baikonur Cosmodrome in Kazakhstan.
Live launch coverage will begin at 4 p.m. on NASA+. Learn how to watch NASA content through a variety of platforms, including social media.
After a two-day in-orbit journey to the station, the spacecraft will dock autonomously to the aft port of the Zvezda service module at 6:03 p.m. Saturday, March 1. NASA’s rendezvous and docking coverage will begin at 5:15 p.m. on NASA+.
The Progress 91 spacecraft will remain docked to the space station for approximately six months before departing for re-entry into Earth’s atmosphere to dispose of trash loaded by the crew.
The International Space Station is a convergence of science, technology, and human innovation that enables research not possible on Earth. For more than 24 years, NASA has supported a continuous U.S. human presence aboard the orbiting laboratory, through which astronauts have learned to live and work in space for extended periods of time. The space station is a springboard for developing a low Earth economy and NASA’s next great leaps in exploration, including missions to the Moon under Artemis and, ultimately, human exploration of Mars.
Get breaking news, images and features from the space station on Instagram, Facebook, and X.
Learn more about the International Space Station, its research, and its crew, at:
https://www.nasa.gov/station
-end-
Claire O’Shea
Headquarters, Washington
202-358-1100
claire.a.o’shea@nasa.gov
Sandra Jones
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov
Share
Details
Last Updated Feb 24, 2025 LocationNASA Headquarters Related Terms
International Space Station (ISS) Humans in Space ISS Research Johnson Space Center Space Operations Mission Directorate View the full article
-
-
Check out these Videos
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.