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 ...

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.

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.

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

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

Despite being known as the Red Planet, Mars shows off its swirling yellows, oranges and browns in a new satellite photo from ...

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

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

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

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