The essential ingredient for life, water, appeared on both planets around 4.4 billion years ago, new research indicates.

Martian meteorites are the next best thing for scientists seeking to better understand how Earth’s neighbor transformed from a tropical environment to a frigid desert. About 65 Martian rocks ...

NASA's Curiosity Rover has been tasked with investigating peculiar "spiderweb" structures discovered in a previously unexplored Martian desert near the planet's equator. These formations ...

The agency's Curiosity rover has been dispatched to probe these bizarre structures — which cover a six to 12 mile stretch of Martian desert ... of this haunting landscape back on December ...

Director Ridley Scott's highly anticipated "The Martian" is in theaters Friday. While much of the film will take place on Mars, it's the Middle Eastern desert of Wadi Rum, Jordan, which serves as ...

barren desert with few signs of liquid water. But after decades of study using orbiters, landers, and rovers, scientists have revealed Mars as a dynamic, windblown landscape that could—just ...