Mars may not have always been the dry and dusty world we imagine. A staggering network of ancient riverbeds, spanning over 15 ...

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

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.

Researchers focused on fluvial sinuous ridges, or inverted channels, winding through Noachis Terra, a region in Mars’ southern highlands. These features likely formed when river sediments solidified ...

The discovery of an ancient meteorite impact crater was recently reported in Western Australia. But not everyone is convinced ...

New research has uncovered more than 15,000 kilometers of ancient riverbeds on Mars, suggesting that the Red Planet may have ...

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.

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.

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...

In his new book, 'The Great Architects of Mars,' Haas analyzed dozens of photos of structures on the Martian surface that he is sure are man-made. Those include pyramids, a keyhole-shaped formation ...

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