Scientists mapped ancient Martian rivers and drainage basins, revealing past water flows and habitable environments of Mars’s climate and geological history.

For decades, researchers have suspected that lightning lights up the sky on Mars. Now, they may have captured at least the ...

Einstein explained that gravity affects each passing second. Clocks slow down where gravity grows stronger. Clocks speed up ...

Rocks that stood out as light-colored dots on the reddish-orange surface of Mars now are the latest evidence that areas of ...

Scientists have detected what they believe to be lightning on Mars by eavesdropping on the whirling wind recorded by NASA’s ...

The picture-perfect launch of twin Escapade orbiters bound for Mars presages a fantastical new age in exploring the planets, ...

Mars’s Coloe Fossae reveals a landscape shaped by ancient ice ages, with deep valleys, cratered terrain, and frozen debris ...

Mars' watery past is becoming clearer, with evidence of ancient rivers and long-lasting surface water. While a supposed south ...

NASA scientists were baffled after uncovering a rock on Mars that didn’t belong there — with a composition pointing to ...

Mars, long considered largely static, has revealed a dynamic interior in recent years. NASA’s InSight mission detected ...

NASA's Perseverance rover has recorded the first evidence of electrical activity on Mars that a scientist described as "mini ...

It is a scientific consensus that water once flowed on Mars, and that it had a denser atmosphere, meaning that it was once ...