Spiderweb-shaped rock patterns on Mars may rewrite the timeline of when water disappeared from the Red Planet.

Curiosity rover’s recent activities in the Boxwork unit include detailed bedrock analysis, Mastcam mosaics, and atmospheric monitoring, advancing NASA’s ongoing investigation of Mars geology.

Craters, craters, and yet more craters: this snapshot from ESA's Mars Express is packed full of them, each as fascinating as ...