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 ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

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