As NASA's Curiosity rover recently began climbing up a Martian valley nicknamed "Valle Grande," it sent back images that were a familiar sight to mission ...
This July 23, 2026, illustration depicts charged particles from a solar storm stripping away charged particles of Mars' atmosphere, one of the processes of ...
Seaweed composing the Great Atlantic Sargassum Belt hit near-record levels in June 2026, with the Caribbean Sea and Gulf of America both reaching all-time highs.
APOD Science APOD APOD: 2026 July 28 - 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 ...
NASA astronaut Chris Williams will recap his recent eight-month mission aboard the International Space Station during a news conference at 2:45 p.m. EDT ...
Each time the Moon covers the Sun during a total solar eclipse -- darkening daytime skies and briefly revealing the Sun's ethereal outer atmosphere, the corona ...