Mars might hold enough subsurface water to cover its surface in a global ocean between 0.62 to 1.24 miles (1 to 2 kilometers) ...

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not ...

In “The Decline and Fall of the Human Empire,” Gee examines the many reasons why the human race finds itself in multiple ...

Since its arrival on the Martian surface five years ago, NASA’s Perseverance rover has been busy scouring the Red Planet for ...

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

A strange rock on Mars is raising new questions about the possibility of ancient microbial life on the Red Planet. According ...

Mars has long been seen as a barren wasteland, but a stunning new discovery by NASA’s Perseverance rover suggests the Red ...

Their discovery showed that even tucked away in our innards – in the walls of our stomachs, subjected to vinegar-like pH ...

If Mars ever hosted microorganisms in its bygone oceans, their fossils might still be preserved in minerals—and now, we have ...

NASA’s Perseverance rover found large crystals of quartz with a high purity on Mars, which probably had to have formed in the ...

Sometimes scientists must dig and work and sweat to make scientific discoveries. And sometimes a robot rolls over a rock that ...

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