Mars has cloudy nights - but why? This exciting discovery on the Red Planet has helped scientists figure out a more complete ...

Lunar minerals generate the rust mineral hematite when bombarded with high-energy oxygen particles, experiments show.

The rock, discovered by NASA’s Perseverance rover, has colorful leopard-like spots, suggesting chemical reactions possibly caused by microbial organisms. “Layering, nodules, reaction fronts ...

NASA introduced its newest astronauts Monday, 10 scientists, engineers and test pilots chosen from more than 8,000 applicants ...