For more information, contact Donald S. Parker, Kennedy Space Center, [email protected] Download the PDF version Improper casting and forging processes in the manufacture of aluminum alloy 2219 can lead to microstructural defects that result in a sub-optimal response to anodic surface treatments and an increase in corrosion susceptibility. This Technical Bulletin communicates the risks of … Read more

ESA/Hubble & NASA, D. Thilker, the MAUVE-HST Team A chaotic secret hides within this seemingly serene image of spiral galaxy NGC 4698 taken by NASA’s Hubble Space Telescope and released on Sept. 18, 2026. As a spiral galaxy like our own Milky Way galaxy, NGC 4698 has spiral arms that curl around within a thin … Read more

9 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) 2026-2027 DWU: High School Engineering Challenge Challenge Materials Engineering Notebook Template Scoring Rubric Overview The 2026-2027 challenge theme is, “Fueling Flight Design Challenge: New Energy Systems.” As more and more aircraft are a part of the US’ National Airspace System (NAS), NASA and partners … Read more

10 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) 2026-2027 DWU: Middle School Design Challenge Overview The 2026-2027 challenge theme is, “Fueling Flight Design Challenge: New Energy Systems.”  As more and more aircraft are a part of the US’ National Airspace System (NAS), NASA and partners at the FAA, at universities, and in … Read more

Spacecraft propulsion traditionally relies on volatile fuels and separate, bulky systems for different types of maneuvering in space. NASA is working to change that paradigm. Engineers at NASA’s Marshall Space Flight Center in Huntsville, Alabama, recently completed a rigorous series of environmental and physical tests on a new small satellite designed to make spaceflight safer … Read more

For 18-year-old Hailey Macleod, access to Edwards Air Force Base, Calif., was the realization of a dream with the help of a wish granter at Make-A-Wish Greater Los Angeles and the 412th Test Wing. Source: www.war.gov

Credit: NASA The Republic of Croatia became the 74th signatory to the Artemis Accords on Wednesday during a ceremony in the capital city of Zagreb with NASA and U.S. Department of State officials present. “It is my privilege to welcome the Republic of Croatia as the latest signatory of the Artemis Accords,” said NASA Deputy … Read more

4 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Testing at NASA’s Ames Research Center in California’s Silicon Valley in March 2026 demonstrated autonomous technology that could identify an incursion – a vehicle, wayward suitcase, or other runway obstacle that could impact an aircraft’s safe landing. NASA/Brandon Torres-Navarrete NASA’s researchers know that when … Read more

Earth Observatory Science Earth Observatory Cloudy Cloak Over the Northwest Earth Earth Observatory Image of the Day EO Explorer Topics All Topics Atmosphere Land Heat & Radiation Life on Earth Human Dimensions Natural Events Oceans Remote Sensing Technology Snow & Ice Water More Content Collections Global Maps World of Change Articles Earth Matters Blog Blue … Read more

APOD Science APOD APOD: 2026 September 24 –… 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. OriginalAnnotated The Ghosts … Read more