In an unexpected turn of events, NASA’s Curiosity rover has cracked open a rock on Mars, uncovering something so surprising ...

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

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

The Mars rover captured images of low ridges called boxwork patterns, which appear like spiderwebs from space.

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