Scientists are confident Mars was once abundant with water, as seen in massive flood-carved channels, ancient river valleys, ...

An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

The discovery of pale, loose rocks on the Martian surface could suggest that Mars was once a much warmer world.

In the next decade, space agencies plan to bring rock samples from Mars to Earth. But what if these rocks contain alien ...

There are a couple potential explanations for distinctive markings found on a Martian rock, but new evidence suggests they ...

The rock was discovered by the National Aeronautics and Space Administration (NASA) Perseverance rover. According to ...

Researchers have found new evidence for a massive subsurface ocean on Mars, again raising the possibility of microbial life.

NASA’s Perseverance rover is tirelessly exploring Mars and recently overcame a rocky challenge to collect another valuable ...

Mars has fascinated people for centuries, not only because it is our closest neighbor in space but also because of its ...

Water once existed in abundance of at the surface of Mars. How much of that water has been stored in the planet's crust is still unclear, according to a new analysis.

More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of its ...