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 ... a really explosive volcano which launched ash high into the atmosphere and travelled this huge distance before ...

Pseudocraters or rootless cones are peculiar volcanic formations with an explosive origin. They do not form from magma coming ...

A study of volcanic cones near the equator on Mars is challenging what scientists previously knew about when and where water ...

Our new finding points firmly to the Kurils as a remote but extremely volcanically active region that can produce big climate-changing and society-disrupting eruptions." The volcano responsible ...

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 ...

There is a geological formation on the Martian surface that scientists say could be a huge ice water deposit ... Scientists operating Europe's Mars Express orbiter, which landed on the Red ...

of Arizona Debris from ancient volcanic eruptions on Mars could offer ... a really explosive volcano which launched ash high into the atmosphere and travelled this huge distance before settling ...

a doctoral student researching the geological history of Mars at the Natural History Museum in London, said in a statement. "It likely came from a really explosive volcano which launched ash high into ...