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

Mars’ positioning is what gives the lighter planet such a strong pull. “The closer it is to the sun, the more a planet ...

Carbon released from Earth's spreading tectonic plates, not volcanoes, may have triggered major transitions between ancient ...

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

New research from the University of Rochester suggests that molten rock deep inside so-called super-earths may generate ...

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

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 ...

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

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

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

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

New MarsDaily research explains how thin seasonal ice could have allowed ancient Martian lakes to remain liquid for decades, despite a cold early Mars climate ...