The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. As ...

A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.

New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it ...

In a dramatic new discovery, scientists have identified over 15,000 kilometers of ancient riverbeds on Mars, revealing that ...

Looks like Mars might have had more water than anyone previously imagined.

Mars may not have always been the dry and dusty world we imagine. A staggering network of ancient riverbeds, spanning over 15 ...

Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this ...

Curiosity stitched 291 Mastcam photos into a color-balanced 360° panorama of Gale Crater’s “boxwork” ridges—spiderweb-like ...

Mars, often imagined as a lifeless desert battered by radiation and cold, holds within its crust the haunting memory of a once vibrant world. Billions of years ago, the Red Planet was nothing like we ...

Among the most astonishing structures recently observed on the Red Planet, a "spiderweb" is drawing attention. Captured by ...