A 54-pound (25-kilogram) rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of ...

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

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

Ingenuity, NASA’s groundbreaking Mars helicopter, has captivated space enthusiasts around the globe,but one crucial limitation remains: it can’t fly at night. In this video, we explore why Ingenuity, ...

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

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.

Understanding the similarities and differences of the deserts on Earth and Mars will help space travelers survive future ...

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

UChicago-led analysis of Mars Science Laboratory Curiosity rover data may explain why planet was likely harsh desert for most ...

The spacecraft now almost tips upside down relative to Mars to give its radar the best view. The Mars Reconnaissance Orbiter ...