Sotheby's is putting some rare items up for auction, including what it calls the largest piece of Mars ever found on Earth.

In all, there are only 400 known Mars rocks on Earth, comprising less than 1% of all known space rocks on the Blue Planet.

New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it ...

A 54-pound meteorite from Mars is expected to fetch up to $4 million when it goes up for auction later this month at ...

"NWA 16788 is a discovery of extraordinary significance — the largest Martian meteorite ever found on Earth, and the most ...

China’s Tianwen-3 Mars sample return mission could bring Red Planet rocks back to Earth as early as 2031—years ahead of ...

NASA's Curiosity rover reveals that the Sun may be responsible for Mars' transformation into a lifeless desert, despite its Earth-like characteristics.

Wave-like landforms on Mars provide clues about the planet’s icy history, its potential to support life, and the behavior of ...

It's possible that Mars' moons were originally asteroids that were captured by the planet's gravitational pull. There's also ...

New research shows how Mars may have undone its own habitability, while Earth stayed stable enough to support life.

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?