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By NASA
The crew of NASA’s SpaceX Crew-11 mission pose for a photo during a training session.Credit: SpaceX NASA astronauts Michael Finke and Zena Cardman will connect with students in Minnesota as they answer prerecorded science, technology, engineering, and mathematics (STEM) questions aboard the International Space Station.
The Earth-to-space call will begin at 11 a.m. EDT on Wednesday, Aug. 20, and will stream live on the agency’s Learn With NASA YouTube channel.
Media interested in covering the event must RSVP by 5 p.m., Tuesday, Aug. 19, to Elizabeth Ross at: 952-838-1340 or elizabeth.ross@pacer.org.
The PACER center will host this event in Bloomington for students in their Tech for Teens program. The organization aims to improve educational opportunities and enhance the quality of life for children and young adults with disabilities and their families. The goal of this event is to help educate and inspire teens with disabilities to consider opportunities in STEM fields.
For nearly 25 years, astronauts have continuously lived and worked aboard the space station, testing technologies, performing science, and developing skills needed to explore farther from Earth. Astronauts communicate with NASA’s Mission Control Center in Houston 24 hours a day through SCaN’s (Space Communications and Navigation) Near Space Network.
Research and technology investigations taking place aboard the space station benefit people on Earth and lay the groundwork for other agency missions. As part of NASA’s Artemis campaign, the agency will send astronauts to the Moon to prepare for future human exploration of Mars; inspiring Golden Age explorers and ensuring the United States continues to lead in space exploration and discovery.
See more information on NASA in-flight downlinks at:
https://www.nasa.gov/stemonstation
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Gerelle Dodson
Headquarters, Washington
202-358-1600
gerelle.q.dodson@nasa.gov
Sandra Jones
Johnson Space Center, Houston
281-483-511
sandra.p.jones@nasa.gov
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Last Updated Aug 15, 2025 LocationNASA Headquarters Related Terms
International Space Station (ISS) Artemis ISS Research STEM Engagement at NASA View the full article
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By NASA
On January 7, 2021, NASA astronaut Kate Rubins serviced samples for Bacterial Adhesion and Corrosion. This investigation looked at how spaceflight affects the formation of microbial biofilms and tested a silver-based disinfectant.NASA This November marks a quarter century of continuous human presence aboard the International Space Station, which has served as a springboard for developing a low Earth economy and NASA’s next great leaps in exploration, including human missions to the Moon and Mars. To kick off the orbiting laboratory’s silver 25th anniversary countdown, here are a few silver-themed science investigations that have advanced research and space exploration.
Antimicrobial properties
Silver has been used for centuries to fight infection, and researchers use its unique properties to mitigate microbial growth aboard the space station. Over time, microbes form biofilms, sticky communities that can grow on surfaces and cause infection. In space, biofilms can become resistant to traditional cleaning products and could infect water treatment systems, damage equipment, and pose a health risk to astronauts. The Bacterial Adhesion and Corrosion investigation studied the bacterial genes that contribute to the formation of biofilms and tested whether a silver-based disinfectant could limit their growth.
Another experiment focused on the production of silver nanoparticles aboard the space station. Silver nanoparticles have a bigger surface-to-volume ratio, allowing silver ions to come in contact with more microbes, making it a more effective antimicrobial tool to help protect crew from potential infection on future space missions. It also evaluated whether silver nanoparticles produced in space are more stable and uniform in size and shape, characteristics that could further enhance their effectiveness.
Wearable tech
Silver is a high-conductivity precious metal that is very malleable, making it a viable option for smart garments. NASA astronauts aboard the orbiting laboratory tested a wearable monitoring vest with silver-coated sensors to record heart rates, cardiac mechanics, and breathing patterns while they slept. This smart garment is lightweight and more comfortable, so it does not disturb sleep quality. The data collected provided valuable insight into improving astronauts’ sleep in space.
Silver crystals
In microgravity, there is no up or down, and weightlessness does not allow particles to settle, which impacts physical and chemical processes. Researchers use this unique microgravity environment to grow larger and more uniform crystals unaffected by the force of Earth’s gravity or the physical processes that would separate mixtures by density. The NanoRacks-COSMOS investigation used the environment aboard the station to grow and assess the 3D structure of silver nitrate crystals. The molecular structure of these superior silver nitrate crystals has applications in nanotechnology, such as creating silver nanowires for nanoscale electronics.
Keep Exploring Discover More Topics From NASA
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Last Updated Aug 14, 2025 Related Terms
ISS Research Humans in Space International Space Station (ISS)
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By NASA
NASA Former NASA astronaut Shane Kimbrough is photographed as he left the airlock hatch during a spacewalk on Jan. 13, 2017. Kimbrough performed nine spacewalks during his three spaceflights. He retired in July 2022.
Astronauts conduct spacewalks to perform maintenance on the space station, install new equipment, or deploy science experiments. These activities also inform future missions like the Artemis campaign and exploring Mars; through NASA’s Extravehicular Activity and Human Surface Mobility Program, the agency develops next-generation spacesuits, human-rated rovers (pressurized and unpressurized), and tools, along with all the necessary spacewalking support systems for use in microgravity, on the lunar surface and, eventually, on other planets.
Learn more about spacewalks at the International Space Station.
Image credit: NASA
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By NASA
Roscosmos cosmonaut Kirill Peskov, left, NASA astronauts Nichole Ayers and Anne McClain, and JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi are seen inside the SpaceX Dragon spacecraft on the company’s recovery ship shortly after splashdown in the Pacific Ocean off the coast of San Diego, California, on Aug. 9, 2025.Credit: NASA/Keegan Barber After spending almost five months in space, NASA’s SpaceX Crew-10 astronauts will discuss their science mission aboard the International Space Station during a news conference at 4:15 p.m. EDT, Wednesday, Aug. 20, from the agency’s Johnson Space Center in Houston.
NASA astronauts Anne McClain and Nichole Ayers, and JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi will answer questions about their mission. The crew returned to Earth on Aug. 9.
Live coverage of the news conference will stream on the agency’s YouTube channel. Learn how to watch NASA content through a variety of additional platforms, including social media.
This event is open to media to attend in person or virtually. For in-person, media must contact the NASA Johnson newsroom no later than 12 p.m., Tuesday, Aug. 19, at: jsccommu@mail.nasa.gov or 281-483-5111. Media participating by phone must dial into the news conference no later than 10 minutes prior to the start of the event to ask questions. Questions also may be submitted on social media using #AskNASA. A copy of NASA’s media accreditation policy is available on the agency’s website.
The crew spent 146 days aboard the orbiting laboratory, traveling nearly 62,795,205 million miles and completing 2,368 orbits around Earth. While living and working aboard the station, the crew completed hundreds of science experiments and technology demonstrations. The latest NASA space station news, images, and features are available on Instagram, Facebook, and X.
NASA’s Commercial Crew Program has delivered on its goal of safe, reliable, and cost-effective transportation to and from the International Space Station from the United States through a partnership with American private industry. This partnership is opening access to low Earth orbit and the International Space Station to more people, more science, and more commercial opportunities. For almost 25 years, people have continuously lived and worked aboard the space station, advancing scientific knowledge and demonstrating new technologies that enable us to prepare for human exploration of the Moon as we prepare for Mars.
Learn more about NASA’s Commercial Crew Program at:
https://www.nasa.gov/commercialcrew
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Joshua Finch
Headquarters, Washington
202-358-1100
joshua.a.finch@nasa.gov
Courtney Beasley
Johnson Space Center, Houston
281-483-5111
courtney.m.beasley@nasa.gov
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Last Updated Aug 14, 2025 EditorJessica TaveauLocationNASA Headquarters Related Terms
Commercial Crew International Space Station (ISS) ISS Research Johnson Space Center View the full article
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