NASA's Mars rover Opportunity has reached its next destination — a valley called Perseverance, where the long-lived robot will scour the surface for clues about how the vast crevice formed.

SANTA CRUZ, CA–A new study suggests that ancient features on the surface of Mars called valley networks were carved by recurrent floods during a long period when the martian climate may have been much ...

Visit Mars as it might have looked billions of years ago. Not frozen and dry, but wet, warm, and alive with flowing water. Across vast highlands near the Martian equator, deep river-like valleys snake ...

Massive floods from overflowing and rupturing lakes carved deep chasms into the face of Mars during its ancient history, according to new research. The research, led by scientists at the University of ...