The largest-known piece of Mars to be found on Earth will be up for bid and could be sold for up to $4 million at auction.

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

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

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

Scientists thought this crater in Australia was the world’s oldest – but an independent analysis shows they might be off by ...

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 ...

Welcome to Red Rock Canyon State Park in Cantil, California, where 27,000 acres of Mars-like terrain erupts from the Mojave ...

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

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

The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting environments for long stretches in the ancient past, a new study suggests.

Mars' core formed at a surprising speed, much faster than Earth's. Recent experiments reveal the key role of iron and nickel sulfides in this process. Planets like Mars are structured in distinct ...