Olympus Mons is a giant volcano on Mars. It is the tallest mountain in space. It is almost three times higher than Mount ...

Arcadia Planitia does not draw attention in the way Mars’s great canyons or volcanoes do. It sits quietly across the northern ...

Mars is famous for its volcanoes, canyons and ancient river valleys, but some of its most active geology happens in slow ...

Phobos, the oddly-shaped moon of Mars, has been captured in a series of stunning images gliding above the planet’s volcanic ...

Scientists have discovered a mysterious hole on the surface of Mars, and they have no idea what lies inside it. This pit, ...

Scientists have known that Mars is rich in strange chemicals, especially chlorine-based compounds found by orbiters, rovers, ...

Valles Marineris is more than a canyon—it’s a geological mosaic captured in stunning detail by the Mars Reconnaissance Orbiter. The canyon walls expose lava flows, sedimentary layers, hydrated ...

Suppose you have woken up unusually irritable, or if your home feels like a bubbling volcano ripe with arguments this week, ...

Thin, seasonal ice may have protected ancient lakes on Mars, allowing liquid water to last for decades despite cold ...

Scientists have studied the driest regions of the Atacama Desert to understand whether life could exist on Mars ...

A study has cast doubt on the idea that Jupiter's moon Europa, where NASA has sent a spacecraft, could have conditions to ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...