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

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

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

Curiosity finds strange boxwork ridges on Mars that hint at ancient underground water. Scientists are now drilling for ...