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By Space Force
Secretary of the Air Force Troy Meink toured Mission Delta 3 (Electromagnetic Warfare) at Peterson Space Force Base, Colorado, May 28, 2025.
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By NASA
NASA/Bill Ingalls President Donald Trump speaks inside the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida, following the launch of NASA’s SpaceX Demo-2 mission on May 30, 2020. The mission was the first crewed launch of the SpaceX Crew Dragon spacecraft and Falcon 9 rocket to the International Space Station as part of the agency’s Commercial Crew Program. This marked the first time American astronauts launched on an American rocket from American soil to low-Earth orbit since the conclusion of the Space Shuttle Program in 2011.
Image credit: NASA/Bill Ingalls
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By NASA
The SpaceX Dragon cargo spacecraft, on NASA’s 30th Commercial Resupply Services mission, is pictured docked to the space-facing port on the International Space Station’s Harmony module on March 23, 2024.Credit: NASA NASA and its international partners will soon receive scientific research samples and hardware after a SpaceX Dragon spacecraft departs the International Space Station on Thursday, May 22, for its return to Earth.
Live coverage of undocking and departure begins at 11:45 a.m. EDT on NASA+. Learn how to watch NASA content through a variety of platforms, including social media.
The Dragon spacecraft will undock from the zenith, or space-facing, port of the station’s Harmony module at 12:05 p.m. and fire its thrusters to move a safe distance away from the station under command by SpaceX’s Mission Control in Hawthorne, California.
After re-entering Earth’s atmosphere, the spacecraft will splash down on Friday, May 23, off the coast of California. NASA will post updates on the agency’s space station blog. There is no livestream video of the splashdown.
Filled with nearly 6,700 pounds of supplies, science investigations, equipment, and food, the spacecraft arrived at the space station on April 22 after launching April 21 on a Falcon 9 rocket from Launch Complex 39A at NASA’s Kennedy Space Center in Florida for the agency’s SpaceX 32nd commercial resupply services mission.
Some of the scientific hardware and samples Dragon will return to Earth include MISSE-20 (Multipurpose International Space Station Experiment), which exposed various materials to space, including radiation shielding and detection materials, solar sails and reflective coatings, ceramic composites for reentry spacecraft studies, and resins for potential use in heat shields. Samples were retrieved on the exterior of the station and can improve knowledge of how these materials respond to ultraviolet radiation, atomic oxygen, charged particles, thermal cycling, and other factors.
Additionally, Astrobee-REACCH (Responsive Engaging Arms for Captive Care and Handling) is returning to Earth after successfully demonstrating grasping and relocating capabilities on the space station. The REACCH demonstration used Astrobee robots to capture space objects of different geometries or surface materials using tentacle-like arms and adhesive pads. Testing a way to safely capture and relocate debris and other objects in orbit could help address end-of-life satellite servicing, orbit change maneuvers, and orbital debris removal. These capabilities maximize satellite lifespan and protect satellites and spacecraft in low Earth orbit that provide services to people on Earth.
Books from the Story Time from Space project also will return. Crew members aboard the space station read five science, technology, engineering, and mathematics-related children’s books in orbit and videotaped themselves completing science experiments. Video and data collected during the readings and demonstrations were downlinked to Earth and were posted in a video library with accompanying educational materials.
Hardware and data from a one-year technology demonstration called OPTICA (Onboard Programmable Technology for Image Compression and Analysis) also will return to Earth. The OPTICA technology was designed to advance transmission of real-time, ultra-high-resolution hyperspectral imagery from space to Earth, and it provided valuable insights for data compression and processing that could reduce the bandwidth required for communication, lowering the cost of acquiring data from space-based imaging systems without reducing the volume of data. This technology also could improve services, such as disaster response, that rely on Earth observations.
For more than 24 years, people have lived and worked continuously aboard the International Space Station, advancing scientific knowledge, and conducting critical research for the benefit of humanity and our home planet. Space station research supports the future of human spaceflight as NASA looks toward deep space missions to the Moon under the Artemis campaign and in preparation for future human missions to Mars, as well as expanding commercial opportunities in low Earth orbit and beyond.
Learn more about the International Space Station at:
https://www.nasa.gov/international-space-station
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Julian Coltre / Josh Finch
Headquarters, Washington
202-358-1600
julian.n.coltre@nasa.gov / joshua.a.finch@nasa.gov
Sandra Jones / Joseph Zakrzewski
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov / joseph.a.zakrzewski@nasa.gov
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Last Updated May 20, 2025 EditorJessica TaveauLocationNASA Headquarters Related Terms
Commercial Resupply International Space Station (ISS) ISS Research SpaceX Commercial Resupply View the full article
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By NASA
Explore This Section Science Science Activation Take a Tour of the Cosmos with… Overview Learning Resources Science Activation Teams SME Map Opportunities More Science Activation Stories Citizen Science 4 min read
Take a Tour of the Cosmos with New Interactives from NASA’s Universe of Learning
Ready for a tour of the cosmos? NASA’s Universe of Learning has released a new, dynamic way for lifelong learners to explore NASA’s breathtaking images of the universe—ViewSpace interactive Image Tours. ViewSpace has an established track record of providing museums, science centers, libraries, and other informal learning environments with free, web-based videos and digital interactives—like its interactive Image Sliders. These new Image Tours are another unique experience from NASA’s Universe of Learning, created through a collaboration between scientists that operate NASA telescopes and experts well-versed in the most modern methods of learning. Hands-on, self-directed learning resources like these have long been valued by informal learning sites as effective means for engaging and intriguing users with the latest discoveries from NASA’s space telescope missions—while encouraging lifelong learners to continue their passionate exploration of the stars, galaxies, and distant worlds.
With these new ViewSpace Image Tours, visitors can take breathtaking journeys through space images that contain many exciting stories. The “Center of the Milky Way Galaxy” Tour, for example, uses breathtaking images from NASA’s Hubble, Spitzer, and Chandra X-ray telescopes and includes eleven Tour Stops, where users can interact with areas like “the Brick”—a dense, dark cloud of hydrogen molecules imaged by Spitzer. Another Tour Stop zooms toward the supermassive black hole, Sagittarius A*, offering a dramatic visual journey to the galaxy’s core.
In other tours, like the “Herbig-Haro 46/47” Tour, learners can navigate through points of interest in an observation from a single telescope mission. In this case, NASA’s James Webb Space Telescope provides the backdrop where lifelong learners can explore superheated jets of gas and dust being ejected at tremendous speeds from a pair of young, forming stars. The power of Webb turns up unexpected details in the background, like a noteworthy distant galaxy famous for its uncanny resemblance to a question mark. Each Interactive Image Tour allows people to examine unique features through videos, images, or graphical overlays to identify how those features have formed in ways that static images alone can’t convey.
These tours, which include detailed visual descriptions for each Tour Stop, illuminate the science behind the beauty, allowing learners of all ages to develop a greater understanding of and excitement for space science, deepening their engagement with astronomy, regardless of their prior experience. Check out the About the Interactives page on the ViewSpace website for a detailed overview of how to use the Image Tours.
ViewSpace currently offers three Image Tours, and the collection will continue growing:
Center of the Milky Way Galaxy:
Peer through cosmic dust and uncover areas of intense activity near the Milky Way’s core, featuring imagery from the Hubble Space Telescope, Spitzer Space Telescope, and the Chandra X-ray Observatory.
Herbig-Haro 46/47:
Witness how a tightly bound pair of young stars shapes their nebula through ejections of gas and dust in an image from the James Webb Space Telescope.
The Whirlpool Galaxy:
Explore the iconic swirling arms and glowing core of a stunning spiral galaxy, with insights into star formation, galaxy structure, and more in a Hubble Space Telescope image.
“The Image Tours are beautiful, dramatic, informational, and easy to use,” explained Sari Custer, Chief of Science and Curiosity at Arizona Science Center. “I’m excited to implement them in my museum not only because of the incredible images and user-friendly features, but also for the opportunity to excite and ignite the public’s curiosity about space.”
NASA’s Universe of Learning is supported by NASA under cooperative agreement award number NNX16AC65A and is part of NASA’s Science Activation Portfolio. Learn more about how Science Activation connects NASA science experts, real content, and experiences with community leaders to do science in ways that activate minds and promote deeper understanding of our world and beyond: https://science.nasa.gov/learn/about-science-activation/
Select views from various Image Tours. Clockwise from top left: The Whirlpool Galaxy, Center of the Milky Way Galaxy, Herbig-Haro 46/47, detail view in the Center of the Milky Way Galaxy. Share
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Last Updated May 13, 2025 Editor NASA Science Editorial Team Related Terms
Science Activation Astrophysics For Educators Explore More
5 min read NASA’s Webb Reveals New Details, Mysteries in Jupiter’s Aurora
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By NASA
NASA and SpaceX are targeting no earlier than 4:15 a.m. EDT on Monday, April 21, for the next launch to deliver scientific investigations, supplies, and equipment to the International Space Station. Filled with about 6,700 pounds of supplies, the SpaceX Dragon spacecraft, on the company’s Falcon 9 rocket, will lift off from Launch Complex 39A at NASA’s Kennedy Space Center in Florida.
This launch is the 32nd SpaceX commercial resupply services mission to the orbital laboratory for the agency, and the 12th SpaceX launch under the Commercial Resupply Services-2 (CRS) contract. The first 20 launches were under the original resupply services contract.
NASA’s live launch coverage will begin at 3:55 a.m. on NASA+. Learn how to watch NASA content through a variety of platforms.
NASA’s SpaceX 32nd commercial resupply mission will launch on the company’s Dragon spacecraft on the SpaceX Falcon 9 rocket to deliver research and supplies to the International Space StationNASA NASA’s SpaceX 32nd commercial resupply mission will launch from Launch Complex 39A at NASA’s Kennedy Space Center in Florida. Arrival & Departure
The SpaceX Dragon spacecraft will arrive at the space station and dock autonomously to the zenith port of the station’s Harmony module at approximately 8:20 a.m. Tuesday, April 22. Live coverage NASA’s coverage of the rendezvous and docking will begin at 6:45 a.m on NASA+. NASA astronaut Jonny Kim, Expedition 73 commander and JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi will monitor the arrival of the spacecraft, which will stay docked to the orbiting laboratory for about one month before splashing down and returning critical science and hardware to teams on Earth.
Astronauts Jonny Kim of NASA and Takuya Onishi of JAXA (Japan Aerospace Exploration Agency) will monitor the arrival of the SpaceX Dragon cargo spacecraft from the International Space Station.NASA Research Highlights
Robotic Spacecraft Guidance
Smartphone Video Guidance Sensor-2 (SVGS-2) uses the space station’s Astrobee robots to demonstrate using a NASA developed, vision-based sensor to control a formation flight of small satellites.NASA Smartphone Video Guidance Sensor-2 (SVGS-2) uses the space station’s Astrobee robots to demonstrate using a NASA developed, vision-based sensor to control a formation flight of small satellites. Based on a previous in-space demonstration of the technology, this investigation is designed to refine the maneuvers of multiple robots and integrate the information with spacecraft systems.
Potential benefits of this technology include improved accuracy and reliability of systems for guidance, navigation, and control that could be applied to docking crewed spacecraft in orbit and remotely operating multiple robots on the lunar or Martian surface.
Protection From Particles
The Aerosol Monitors investigation tests three different air quality monitors to determine which is best suited to protect crew health and ensure mission success. NASA During spaceflight, especially long-duration missions, concentrations of airborne particles must be kept within ranges safe for crew health and hardware performance. The Aerosol Monitors investigation tests three different air quality monitors to determine which is best suited to protect crew health and ensure mission success.
The investigation also tests a device for distinguishing between smoke and dust. Aboard the orbital outpost, the presence of dust can cause false smoke alarms that require crew member response. Reducing false alarms could save valuable crew time while continuing to protect astronaut safety.
Next-Generation Pharmaceutical Nanostructures
The newest Industrial Crystallization Cassette (ADSEP-ICC) investigation adds capabilities to an existing protein crystallization facility. NASA The newest Industrial Crystallization Cassette (ADSEP-ICC) investigation adds capabilities to an existing protein crystallization facility. The cassette can process more sample types, including tiny gold particles used in devices that detect cancer and other diseases or in targeted drug delivery systems. Microgravity makes it possible to produce larger and more uniform gold particles, which improves their use in research and real-life applications of technologies related to human health.
Better Materials, Better Drugs
The DNA Nano Therapeutics-Mission 2 produces a special type of molecule formed by DNA-inspired, customizable building blocks known as Janus base nanomaterials.NASA The DNA Nano Therapeutics-Mission 2 produces a special type of molecule formed by DNA-inspired, customizable building blocks known as Janus base nanomaterials. It also evaluates how well the materials reduce joint inflammation and whether they can help regenerate cartilage lost due to arthritis. These materials are less toxic, more stable, and more compatible with living tissues than current drug delivery technologies.
Environmental influences such as gravity can affect the quality of these materials and delivery systems. In microgravity, they are larger and have greater uniformity and structural integrity. This investigation could help identify the best formulations and methods for cost-effective in-space production. These nanomaterials also could be used to create novel systems targeting therapy delivery that improves patient outcomes with fewer side effects.
Helping Plants Grow
The Rhodium USAFA NIGHT payload examines how tomato plants respond to microgravity and whether a carbon dioxide replacement can reduce how much space-grown plants depend on photosynthesis.NASA The Rhodium USAFA NIGHT payload examines how tomato plants respond to microgravity and whether a carbon dioxide replacement can reduce how much space-grown plants depend on photosynthesis. Because photosynthesis needs light, which requires spacecraft power to generate, alternatives would reduce energy use.
The investigation also examines whether using supplements increases plant growth on the space station, which has been observed in preflight testing on Earth. In future plant production facilities aboard spacecraft or on celestial bodies, supplements could come from available organic materials such as waste.
Understanding how plants adapt to microgravity could help grow food during long-duration space missions or harsh environments on Earth.
Atomic Clocks in Space
An ESA (European Space Agency) investigation, Atomic Clock Ensemble in Space (ACES), examines fundamental physics concepts such as Einstein’s theory of relativity using two next-generation atomic clocks operated in microgravity.NASA An ESA (European Space Agency) investigation, Atomic Clock Ensemble in Space (ACES), examines fundamental physics concepts such as Einstein’s theory of relativity using two next-generation atomic clocks operated in microgravity. Results have applications to scientific measurement studies, the search for dark matter, and fundamental physics research that relies on highly accurate atomic clocks in space. The experiment also tests a technology for synchronizing clocks worldwide using global navigation satellite networks.
Cargo Highlights
NASA’s SpaceX 32nd commercial resupply mission will carry about 6,700 pounds of cargo to the International Space Station.NASA Hardware
Launch:
Catalytic Reactor – The catalytic reactor replacement unit oxidizes volatile organics from the wastewater so they can be removed by the gas separator and ion exchange bed replacement units as part of the station’s water recycling system. This unit failed in orbit and is being returned for analysis and refurbishment. This unit is being launched as an in-orbit spare.
Food Reach Tool Assembly – An L-shaped, hand-held tool that allows crew members to reach packages in the back of the food warmer without having to insert their hands. This tool is launching to replace a unit in orbit. Reducer Cylinder Assembly – A cylinder tank that provides 15 minutes of oxygen to a crew member in case of an emergency. Launching two units as in-orbit spares. Thermal Expansion Device – A device used to allow for thermal expansion of water within the Hydrogen Dome while it is being removed and replaced. Launching to maintain minimum in-orbit spares. Return:
Urine Processor Assembly Pressure Control and Pump Assembly – This multi-tube purge pump enables the removal of non-condensable gas and water vapor from the distillation assembly within the greater urine processing assembly subsystem. This unit is returning to the ground for repair and refurbishment in support of the legacy environmental control and life support system fleet. Assembly Contingency Transmitter Receiver Assembly – A part of the S-Band Radio Frequency Group, this assembly is a pressurized enclosure that contains electronics for this upper-level assembly. The Radio Frequency Group is used for command, control, and transmission communication for the space station. It was retrieved by NASA astronauts Suni Williams and Butch Wilmore during US EVA 92 and will return for repair. High Gain Antenna Feed Assembly – Part of the S-Band Radio Frequency Group, this system features a two-axis, gimballed assembly with a pedestal and a large horn antenna. It was retrieved by NASA astronauts Suni Williams and Butch Wilmore during U.S. spacewalk 92 and will return for repair. Low Gain Antenna Sub-Assembly – Part of the S-Band Radio Frequency Group, this sub-assembly consists of a helix antenna that provides a wide field of signal transmission capability. It was retrieved by NASA astronauts Suni Williams and Butch Wilmore during U.S. spacewalk 92 and will return for repair. Planar Reflector Assembly – With an aluminum base and reflective element, visiting spacecraft reflect a laser to compute relative range, velocity, and attitude to the space station. This broken unit was retrieved and replaced by NASA astronaut Suni Williams during U.S. spacewalk 91 and will return for repair. Multifiltration Bed – Supporting the water processor assembly, this spare unit will continue the International Space Station program’s effort to replace a degraded fleet of units in-orbit that improve water quality through a single bed. This unit will return for refurbishment and re-flight. Watch and Engage
Live coverage of the launch from NASA Kennedy will air at 3:55 a.m. on NASA+..
For additional information on the mission, visit: https://www.nasa.gov/mission/nasas-spacex-crs-32/
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