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.

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.

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

Looks like Mars might have had more water than anyone previously imagined.

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

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