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

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

Lockheed Martin has unveiled a new proposal to take over NASA's beleaguered Mars Sample Return mission for less than half the ...

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

A 54-pound meteorite from Mars is expected to fetch up to $4 million when it goes up for auction later this month at ...

Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this ...

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.

The discovery of more than 15,000 kilometers of ancient riverbeds on Mars suggests that the Red Planet may once have been ...

In a dramatic new discovery, scientists have identified over 15,000 kilometers of ancient riverbeds on Mars, revealing that ...

NASA's Mars Sample Return mission has long been a point of contention for the agency, but now someone might have a plan to ...