NASA's Perseverance rover is digging deeper into Mars' geologic past as it begins grinding into rock surfaces to expose ...

Mars has long captured humanity’s imagination, especially given the tantalizing evidence of ancient river valleys and ...

Mars, a planet once capable of sustaining liquid water and harboring flowing rivers, today stands as a frozen desert. For ...

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?

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

The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting ...

"Past climates with surface and shallow-subsurface liquid water are recorded by Mars's sedimentary rocks, including strata in the approximately 4-kilometer-thick [circa 2.5 miles thick] record at Gale ...

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

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

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

Scientists had hypothesized before the rover arrived that the peculiar ridges formed with the last trickles of water in the ...

NASA's Curiosity rover has discovered carbonate-rich rocks on Mars, offering insights into the planet's past and possibly explaining why life has never been found there.