Volcanic ash is creeping across the surface of Mars with startling speed. The European Space Agency’s (ESA’s) Mars Express ...

A battle between light and dark. The post Scientists Puzzled by Huge Shadowy Blight Spreading Across Surface of Mars appeared ...

Change is a crucial facet of the universe, but when it comes to planets, change is often measured in eons rather than years. Especially on planets that aren’t very active, like Mars. And yet, in just ...

Volcanoes don’t just exist on Earth — they’re everywhere across the solar system, and some are far more extreme than anything ...

Noticeable change on Mars often takes millions of years—but the European Space Agency's Mars Express has captured a blanket ...

Olympus Mons, a shield volcano on Mars, is the largest volcano in the solar system, measuring approximately 370 miles in diameter and 26 kilometers in height. The formation of Olympus Mons and three ...

Boulder, Colo., USA: What appears to be a single volcanic eruption is often the result of complex processes operating deep beneath the surface, where magma moves, evolves, and changes over long ...

A new image shows a striking contrast between Mars' desert-like terrain against dark deposits of volcanic ash.

How did young volcanoes on Mars form? This is what a recent study published in the journal Geology hopes to address as a team of scientists investigated the complex geological processes responsible ...

Perceptible geological changes on the surface of Mars are usually measured on timescales spanning millions of years, a pace ...