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

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

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

The largest-known piece of Mars to be found on Earth will be up for bid and could be sold for up to $4 million at auction.

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.

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

Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.

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.

An analysis led by the University of Chicago of Mars Science Laboratory Curiosity rover data may explain why the planet was ...

NASA's beleaguered Mars Sample Return mission may get a reprieve from an unexpected source. Lockheed Martin has proposed a ...

A lab experiment that simulated Mars conditions showed that green algae can grow in plastic containers made from the same ...