Mars may have released sulfur gases that trapped heat, shaped the climate, and created conditions for ancient life.

A NASA orbiter has captured a stunning image of a giant volcano on Mars. The panorama, captured on May 2 by NASA’s Mars Odyssey orbiter, shows Arsia Mons, one of the largest volcanos on the Red Planet ...

Mars’s marred surface consists of craters, canyons, and mysterious formations that hint at a complex geological past. Scientists recently studied a tantalizing feature that could shed light on the ...

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 ...

NASA has discovered signs of life on Mars in the form of organic carbon, sulfur, rust, and phosphorous in a canyon, and new ...

Arsia Mons once spewed molten rock across the surface of Mars, but some smaller volcanic features may have come from another source. (NASA/JPL/USGS/) Mars’s northern lowlands are dotted with tens of ...

A dazzling image taken by NASA’s 2001 Mars Odyssey orbiter shows an unprecedented view of a 12-mile-high volcano poking through clouds at dawn on the Red Planet. Arsia Mons, which dwarfs Earth’s ...

When NASA’s Perseverance rover touched down in Jezero Crater in 2021, scientists expected to find rocks laid down by an ancient lake. What they didn’t expect was volcanic rock. And certainly not a ...

On Mars, a surprise was hiding in plain sight. A tall mound near the edge of Jezero Crater turned out to be something unexpected – a volcano. For many years, it was just thought to be a regular rocky ...

Different parts of Mars have different advantages and disadvantages when it comes to their available resources, just like Earth. The polar caps are likely the most valuable in terms of their water ...

Young Mars would have been a staggering place to explore. The Red Planet was covered in flowing rivers of both water and lava. At the time, a series of four volcanoes — Olympus Mons and the three ...