The volcano stands at 29,600 feet and stretches for 280 miles, and evidence shows it has been active for a very long time.

Researchers believe dark rocks at the site of a future Mars rover landing mission may be left over from ancient volcanic eruptions, and may be protecting signs of life — if there ever was life on Mars ...

From arachnid-like formations and mysterious blobs to an underground ocean and a giant volcano, here are our 10 favorite things scientists discovered on Mars this year. When you purchase through ...

Mars is home to perhaps the greatest mystery of the solar system: the so-called Martian dichotomy, which has baffled ...

The new work suggests that the edge of the dichotomy was eroded back by hundreds of kilometers during the time when an ocean ...

It’s a term used by astronomers to describe when Earth, Mars and the Sun align. When this happens, Earth sits directly ...

NASA's Curiosity Rover has been exploring Mars since 2012 and more recently has found evidence of ice-free ancient ponds and ...

Mars is a strange place and any humans born there are bound to look radically different over thousands or even hundreds of ...

NASA’s Curiosity Rover has been exploring Mars since 2012 and, more recently has found evidence of ice-free ancient ponds and lakes on the surface. The rover found small undulations like those seen in ...

Scientists are still trying to figure out. Like Earth and Venus, Mars has mountains, valleys, and volcanoes, but the red planet’s are by far the biggest and most dramatic. Olympus Mons ...

The rover will be capable of drilling down into the surface of Mars and collecting rocks at a depth of 6.6 feet (2 meters), which it will then analyze in an onboard laboratory, according to ESA. ...

Credit: NASA/JPL-Caltech/Univ. of Arizona Debris from ancient volcanic eruptions on Mars could offer new clues in the search for alien life, a new study suggests. The newly discovered rock type ...