NASA's MAVEN spacecraft, which spent over a decade studying Mars, has officially been declared inactive after losing contact ...

Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for the presence of water ice. When you purchase through links on our site, we ...

NASA's Curiosity rover is again shattering scientific discovery on Mars, now featuring a stunning close-up of its newest drill site, called Altadena. This is the rover's 43rd successful drilling into ...

Life on Mars sounds like something from a "Doctor Who" episode. But a study published in the International Journal of Astrobiology challenges the science fiction notion of that idea. The research ...

The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting environments for long stretches in the ancient past, a new study suggests. Clays need ...