As the sun grew hotter, so did Mars, prompting much of its atmospheric carbon dioxide to rain out and ultimately get locked ...

A discovery made by a NASA rover has offered a clue for this mystery, new research said Wednesday, suggesting that while ...

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were ...

The largest Martian meteorite ever found on Earth is being auctioned off later this month and could fetch up to $4 ...

A lab experiment that simulated Mars conditions showed that green algae can grow in plastic containers made from the same ...

Sheel and his team found that when the atmosphere of Mars is laden with dust, the atmosphere becomes less conductive, ...

The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, ...

"Returning the scientifically selected samples that await us on Mars, as part of a balanced portfolio, will help to ensure ...

For centuries, Mars has captivated the human imagination. Its reddish appearance has earned it the nickname “The Red Planet,” ...

China’s Tianwen-3 Mars sample return mission could bring Red Planet rocks back to Earth as early as 2031—years ahead of competing U.S.-European efforts ...

A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...