New research shows how Mars may have undone its own habitability, while Earth stayed stable enough to support life.

By discovering carbonate rocks, NASA's Mars rovers may have unlocked the key to understanding the fate of the Red Planet's climate.

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 hidden box-lattice suggests groundwater sculpted Mars long after surface water fled; Curiosity’s drills aim to confirm the ...

Mars may soon welcome explorers seeking ice deposits crucial for human survival. Recent findings suggest significant ice ...

A Clue That Water May Have Once Flowed There Mars, becoming a home for humans, is a hypothesis is one we've been trying for ...

Wave-like landforms on Mars provide clues about the planet’s icy history, its potential to support life, and the behavior of ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

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

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

In this week’s episode of Space Minds David Ariosto sits down Nathalie Cabrol, Director of the Carl Sagan Center at the SETI ...