Mars has lost immense amounts of water over it lifetime, and scientists aren't sure exactly how. New research hints that the ...

The aerospace giant says it can revive Mars Sample Return with a leaner, lower-cost approach drawing on proven designs.

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

A rare rock from Mars known as Meteorite NWA 16788 will be up for auction at Sotheby's on July 16. The meteorite may sell for ...

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 ...

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

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 ...

If we're to land humans on Mars in the coming decades, we'll have to know what challenges await them when they get there.

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

How did Earth, alone among the Solar System's rocky planets, become the home for life? How, among all this frigid ...