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

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

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

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

The most massive chunk of Mars ever found on Earth could sell for up to US$4 million in a Sotheby's auction later this month.

Researchers are developing bioplastic bubbles from algae that could grow, repair, and protect habitats on Mars without ...

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

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

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were ...

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

Mars has long captured humanity’s imagination, especially given the tantalizing evidence of ancient river valleys and ...

A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for ...