The rocks, discovered by NASA's Curiosity rover, are unusually rich in manganese oxide — a chemical that adds to growing ...

Sharmila Kuthunur is a Seattle-based science journalist covering astronomy, astrophysics and space exploration. Follow her on X @skuthunur A collection of rocks scattered on an ancient shoreline on ...

Mar. 13, 2024 — A deeply eroded giant volcano, active from ancient through recent times and with possible remnants of glacier ice near its base, had been hiding near Mars' equator in plain sight.

Fragments of Planet Theia appear to be buried deep beneath Africa and the Pacific Ocean. And now more evidence has been found ...

NASA’s mission to retrieve a sample from Mars is over budget and behind schedule. But it may be our best chance to learn ...

An ion might be to blame for an almost dry and devoid-of-water Venus. The planet, the second from the sun, is the hottest in the solar system. Its thick atmosphere holds in so much heat, and the ...

Yay! There are powerful changes in store for you soon. What are they? How can you best prepare for them? Find out in a full ...

The Erigone family of asteroids are water-rich space rocks that provide a window into the solar system's past.

Of course, the Mars of today isn’t so hospitable—it’s atmosphere is nearly non-existent, riverbeds are dried up, and any water is now locked under Mars iron oxide-rich soil or CO2-filled ice caps. In ...

Earth is the only life-supporting planet we know of, so it's tempting to use it as a standard in the search for life ...