NASA astronaut Christina Koch stands inside Kennedy Space Center’s Vehicle Assembly Building on July 14, 2021, in front of the agency’s Space Launch System (SLS) rocket that ultimately powered the Orion spacecraft on the Artemis I mission. Koch later served as a crew member on the Artemis II mission in 2026, and on Oct. 13,…
APOD Science APOD APOD: 2026 October 14 – Mars… 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. Mars and…
As the Artemis II crew members came close to passing behind the Moon and experiencing a planned loss of signal, they captured this image of a crescent Earth setting on the Moon’s limb on April 6, 2026. The edge of the visible surface of the Moon is called the “lunar limb.” Credit: NASA NASA will…
5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Yi Lin, SPEARS testing and research lead at NASA Langley, holds one of the small coin-cell batteries that had just undergone thermal vacuum testing. NASA/Ryan Hill If you’ve ever had your car start sluggishly, or not at all, on a particularly frigid winter morning,…
NASA/John Kraus Sunlight illuminates the exhaust plumes of a SpaceX Falcon 9 rocket carrying the company’s Dragon spacecraft on Oct. 13, 2026. This visual phenomenon is known as a “jellyfish”; it happens near sunrise or sunset when the exhaust plume from the rocket becomes brightly illuminated, creating a glowing shape resembling a jellyfish. The mission…
X-ray: NASA/CXC/INAF-IRA/A. Botteon et al.; Infrared: UKIDSS-GPS ; Radio: ASTRON/LOFAR; Image processing: NASA/CXC/SAO/N. Wolk Astronomers have used NASA’s Chandra X-ray Observatory to break down the cause of a remarkable formation of radio waves they have nicknamed the “Treble Clef” because its distinct shape strongly resembles the musical symbol. The researchers discovered the Treble Clef is…
NASA astronaut Jessica Watkins assists NASA astronaut Luke Delaney as he practices suiting up in a spacesuit in an International Space Station airlock simulator on May 5, 2026, at the agency’s Johnson Space Center Space Vehicle Mockup Facility in Houston. Credit: NASA Students in Florida will hear from NASA astronauts Jessica Watkins and Luke Delaney…
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