APOD: 2026 October 30 – Haunting the Cepheus Flare

APOD Science APOD APOD: 2026 October 30 –… 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. Haunting the Cepheus […]

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Map Showing Potential Origins of Martian Meteorite Teghaza 001

Description This global map of Mars shows 13 locations that match the mineralogy and chemistry of Teghaza 001, one of the most ancient Martian meteorites ever found on Earth. While scientists can never know for sure where a Martian meteorite originated, Teghaza 001 includes clues that link it to highlands in the southern hemisphere of […]

Slice of Martian Meteorite Teghaza 001

Description This slice of Teghaza 001, one of the most ancient Martian meteorites ever found on Earth, was used to determine the age of the rock. Reflected light images like these serve as a scientist’s road map, helping them find minerals of interest to analyze by different instruments. Figure A is the same image with […]

Halloween Aboard the International Space Station 

Although no ghouls, goblins, or trick-or-treaters come knocking at the International Space Station’s front hatch, crew members aboard the orbiting laboratory still like to get in the Halloween spirit. Whether individually or as an entire crew, they dress up in sometimes spooky, sometimes scary, but always creative costumes, often designed from materials available aboard the […]