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

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

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

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

A warm afternoon on ancient Mars lasted about as long as a Silicon Valley internship. That is the sobering conclusion of a ...

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

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

"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 ...

NASA’s Curiosity rover has found rocks rich in carbonate minerals. These minerals are like Earth’s limestone and act as ...

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

NASA announced possible evidence of present-day liquid water on Mars. Scientists analyzed data from NASA's Mars Global Surveyor spacecraft and found what appeared to be gullies formed by flowing water ...

Algae grown under Mars-like conditions could make bioplastic building materials for structures to harbor life in space.