Daily images of ice cover in the Arctic Ocean show sea ice melting around the pole from March 15, 2026 to Sept. 12, 2026. Trent Schindler/NASA’s Scientific Visualization Studio Arctic sea ice reached its annual minimum extent on Sept. 12, according to NASA and the National Snow and Ice Data Center (NSIDC) at the [...]
Astronaut Shannon W. Lucid checked on wheat plants aboard Russia’s Mir Space Station on Sept. 23, 1996. Lucid left Mir later that day along with the rest of the STS-79 crew except for John E. Blaha, who was beginning a four-month stay aboard the station.NASA Shannon Lucid’s Record-Setting Mission Aboard Mir Three days before returning [...]
Explore This Section Earth Earth Observer Editor’s Corner Feature Articles Meeting Summaries News Science in the News In Memoriam Announcements Archives FFA 2026 Join NASA in the Exhibit Hall (Booth #648) for Hyperwall Storytelling by NASA experts. Full Hyperwall Agenda below. TUESDAY, OCTOBER 20 10:00 AM NISAR Updates, One Year After Launch Paul Rosen, [...]
For more information, contact Jonathan E. Jones, Langley Research Center, jonathan.e.jones@nasa.gov Download the PDF version The purpose of this Technical Bulletin is to communicate the risks associated with freeze–thaw cycles in hydrazine monopropellant systems and to provide general recommendations for mitigating damage, operational hazards, and loss of system reliability in propulsion and auxiliary hydrazine systems. [...]
Explore Hubble Hubble Home Overview About Hubble The History of Hubble Hubble Timeline Why Have a Telescope in Space? Hubble by the Numbers At the Museum FAQs Impact & Benefits Hubble’s Impact & Benefits Science Impacts Cultural Impact Technology Benefits Impact on Human Spaceflight Astro Community Impacts Science Hubble Science Science Themes Science Highlights [...]
APOD Science APOD APOD: 2026 September 23 – A… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. AfterBefore [...]
Curiosity Navigation Curiosity Home Mission Overview Where is Curiosity? Mission Updates Science Overview Instruments Highlights Exploration Goals News and Features Multimedia Curiosity Raw Images Images Videos Audio Mosaics More Resources Mars Missions Mars Perseverance Rover Mars Curiosity Rover Mars Reconnaissance Orbiter Mars Odyssey More Mars Missions Mars Home 3 min read Curiosity Blog, Sols [...]
The SpaceX Crew-13 members pose for a portrait in their pressure suits during a preflight training session at the company’s headquarters in Hawthorne, California. From left are, Roscosmos Sergey Teteryatnikov, NASA astronauts Jessica Watkins and Luke Delaney, and CSA (Canadian Space Agency) astronaut Joshua Kutryk. SpaceX NASA and SpaceX are targeting 11:10 a.m. EDT, Thursday, [...]
Photo of the Day This shot captured an unexpected silhouette. Which is it? It isn't the sunspots, the small dark regions caused by concentrated magnetic fields visible around the Sun's bright disk. Sunspots typically last for weeks and were expected, since these spots were seen previously. It isn’t the International Space Station (ISS), the [...]
3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Top Row (from left to right): Michael Stenger, Joe Dervay, Steve Piper, Dave Francisco, Craig Kutz, Matthew Makowski, Alex Garbino, Hiroki Bochimoto, Doug Ebert, James Locke, Raffi Kuyumjian. Bottom Row (from left to right): Mark Crowther, Stephan Moll, Doug Ebersole, Mike Gernhardt, David Southerland, [...]
