A rock from Mars sat in the sands of the Sahara, untouched and unnoticed, until a meteorite hunter picked it up in Agadez, ...

For decades, scientists have puzzled over why Earth stayed warm and alive while Mars turned cold and dry. Both planets began ...

A rare Martian meteorite, NWA 16254, is providing scientists with a groundbreaking look into Mars’ volcanic past. This ...

The largest Mars rock ever found on Earth, NWA 16788, just sold for $5.3 million at a Sotheby's auction to an unnamed bidder.

Auction house Sotheby's just auctioned off the largest known Mars meteorite, realizing a record price that shattered ...

A rare Martian meteorite has revealed complex volcanic processes and mantle heterogeneity on Mars, offering new clues to the ...

With a $621,000 award from NASA, University of Massachusetts Amherst microbiologist James Holden will dedicate the next three years to “predicting” the nature of life on Europa.

A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.

Looks like Mars might have had more water than anyone previously imagined.

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

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above clouds before dawn. It’s twice as tall as Earth’s largest volcano.

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above clouds before dawn. It’s twice as tall as Earth’s largest volcano.