Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic mission may investigate the area one day.

Deep beneath Earth’s surface, two massive structures—dubbed low-shear velocity provinces (LLSVPs)—are reshaping scientists’ ...

Nitrogen isotope analysis of tooth enamel reveals no evidence of meat consumption in Australopithecus. New research published ...

The riches thought to lie beneath Greenland's icy terrain have been coveted for more than a century. But how easy are they to ...

Sudwala Caves, found in the dramatic Drakensberg escarpment, stand as the world's oldest known caves, formed approximately ...