Incredibly powerful marsquakes that violently shake the red planet don't always begin under the surface, research shows.

New data is challenging what scientists previously knew about one of the youngest geological features on the Red Planet. That feature is Athabasca Valles, a system of valleys carved into volcanic ...

Holy hell fire, there’s been not one, not two but three volcanoes actively shaking and scorching the earth this week.

That feature is Athabasca Valles, a system of valleys carved into volcanic plains on Mars. The Athabasca Valles system offers key insights into the history of water on the Red Planet, and its ...

A Mars image shows a strange square formation. Some think it's artificial, but experts suggest natural causes.

Rootless cones are small volcanic landforms ranging from several ... In contrast, vast fields of rootless cones have been identified on Mars, making their formation mechanisms a significant ...

A perfectly square-shaped structure has been discovered on Mars, which is 3 kilometers wide. The discovery has generated ...

The holes, aka pits, are located on the flanks of ancient volcanoes in Mars's Tharsis region, the largest volcanic region on the red planet and home to some of the biggest volcanoes in our solar ...

All indications are that Mars had a warmer ... which tends to happen when water comes in contact with volcanic rocks or material with similar chemistry. Closer to the surface, things transition ...

Researchers used gravity field data from satellites to probe the internal structure of Mars. The identified dense structures could either be volcanic formations or remnants of ancient impacts.