3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) This annotated composite of nine images taken by Perseverance’s Mastcam-Z on July 2, 2026, shows Earth — the small bright dot moving from upper left to lower right — passing behind the Martian moon Phobos. The images in the inset were captured from the [...]
2 Min Read Advanced Mini-laboratories Automate Space Station Research NASA astronaut Tracy C. Dyson swaps out sample processors in the Advanced Space Experiment Processor (ADSEP). Credits: NASA The International Space Station hosts hundreds of science experiments at a time. Some experiments can take hours to perform, and researchers need to account for astronauts’ limited [...]
APOD Science APOD APOD: 2026 August 5 – Spokes… 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. Brad [...]
Photo of the Day What causes unusual knots of gas and dust in planetary nebulas? Seen also in the Ring Nebula, the Dumbbell Nebula and NGC 2392, the knots' existence was not initially predicted, and their origins are still not well understood. Pictured here is a fascinating image of part of the Helix Nebula [...]
The International Space Station was soaring 262 miles above Earth when this long‑duration photograph was taken, revealing a bright atmospheric glow and a starry night sky.NASA/Chris Williams The Expedition 75 crew continued preparing for a spacewalk scheduled for Thursday to augment the International Space Station’s power system. The orbital residents also installed advanced Earth observation [...]
The Moon’s rocky, uneven, and otherworldly surface features are highlighted by the terminator – the difference between light and darkness.NASA Using ground-based telescopes and space-based assets, NASA and SpaceX are tracking a used Falcon 9 upper stage from a commercial mission expected to impact the Moon on Wednesday, Aug. 5, near the Einstein and Bell [...]
Using continuous imagery from NASA’s PUNCH (Polarimeter to Unify the Corona and Heliosphere) mission, scientists predicted the near-Earth arrival of a solar eruption to within 30 minutes in an initial proof of concept test. The results, presented Tuesday at the Committee on Space Research Scientific Meeting and under review at the journal Space Weather, could [...]
The NASA Ames Science Directorate recognizes the outstanding contributions of (pictured left to right) Danielle Lopez, Jennifer Claudio, and Duncan Mifsud. Their commitment to the NASA mission represents the entrepreneurial spirit, technical expertise, and collaborative disposition needed to explore this world and beyond. Space Biosciences Star of the Month: Danielle Lopez Danielle Lopez is [...]
6 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Artist’s rendering of the Moon’s South Pole region. Glowing points of light scattered across the lunar surface represent surface assets supporting sustained human and robotic operations near the South Pole. NASA is making progress in building the Moon Base, which will become a resilient [...]
NASA/Jolearra Tshiteya Technicians installed a commemorative plaque, seen in this July 28, 2026, photo, on NASA’s Nancy Grace Roman Space Telescope. The plaque honors the legacy of Dr. Nancy Grace Roman, NASA’s first chief astronomer and one of the architects of the agency’s modern science program. It also features a memory card containing a total [...]
