US-India Satellite Delivers Data, Reveals ‘Hummingbird’ in Antarctica
July 21, 2026 7:00 pmMain Figure A Scientists used data from the L-band radar aboard the U.S.-India Earth-orbiting NISAR satellite to produce this image... View Article
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Mapping Alien Continents: Achieving Optical VLBI for Exoplanet Imaging
July 21, 2026 4:02 pm1 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Graphic depiction of the Mapping Alien Continents concept. Paul... View Article
Interworld Slingshot Resource Surveys
July 21, 2026 4:02 pm3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Graphic depiction of the Interworld Slingshot Resource Surveys concept.... View Article
Robotically Assembled Electromagnetic Metamaterials for Long-Range Space Situational Awareness
July 21, 2026 4:02 pm3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Graphic depiction of the Robotically Assembled Electromagnetic Metamaterials concept.... View Article
Precision Astrometry Using Optically Independent Spacecraft for Graviational Wave Detection
July 21, 2026 4:02 pm1 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Graphic depiction of the Graviational Wave Detection concept. Paul... View Article
NIAC 2026 Selections
July 21, 2026 4:02 pm2 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) A collage of artist concepts highlighting the novel approaches... View Article
Establishing Crew Exposure Limits of Martian Dust
July 21, 2026 3:01 pmThis image taken by NASA’s Perseverance rover on Sept. 7, 2021, PDT (Sept. 8, EDT). NASA/SP-20260005907 – Martian Dust Exposure... View Article
A New Compact Instrument Enables High-Fidelity Measurements of Energetic Particles on CubeSats
July 21, 2026 2:01 pmA team of NASA-sponsored scientists and engineers has developed a novel approach to observing high-energy particles in the near-Earth space... View Article
Why Maine’s Sandy Shorelines Turn Jagged
July 21, 2026 6:00 amEarth Observatory Science Earth Observatory Why Maine’s Sandy Shorelines… Earth Earth Observatory Image of the Day EO Explorer Topics All... View Article
NASA Sets Briefings for SpaceX Crew-13 Mission to Space Station
July 20, 2026 9:00 pmNASA’s SpaceX Crew-13 members are pictured in their pressure suits seated inside a mockup Dragon spacecraft during a preflight training... View Article