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

NASA’s Curiosity rover has spent six months exploring the site to investigate if they are a clue to the presence of water.

You’ve probably followed the Mars rover missions on and off for years, watching those red-dust landscapes scroll across your ...

Learn about geologic formation on Mars that resemble spiderwebs, serving as records of ancient groundwater flow on the planet ...

Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...

New radar data from China's Zhurong Mars rover suggests that Mars may have once had a large ocean, with features resembling sandy beach deposits on Earth.

Samples taken from an ancient Mars rock may indicate that ancient life once existed on the Red Planet, according to a study ...

NASA's Curiosity rover just found bizarre nodules on giant Martian "spiderwebs." Scientists are puzzled.

Ancient Mars is starting to look less like a scattered patchwork of dried-up valleys and more like a planet once ruled by continent-scale rivers. For the first time, scientists have traced giant ...

NASA finds carbon molecules in ancient Martian lake, and scientists admit it is difficult to explain them without life.

For more than a century, astronomers debated the possibility of martian canali (channels) which Italian astronomer Giovanni Schiaparelli claimed to see on the Red Planet in 1877. Mistranslated into ...

A 6.5-foot Mars sand ridge called Hazyview reveals how strong, steady winds once shaped the planet’s surface and soil ...