Martian meteorites are mostly volcanic in origin, but how they are related to one another and where they come from on Mars have been enduring scientific puzzles. These meteorites can be found in the ...

One of the largest canyons in our Solar System carved its way through several layers of ancient volcanic eruption debris, a recent study reports. Valles Marineris is a titanic network of deep cracks ...

May 23 (UPI) --Rocks recovered from a remote mountainside in East Africa have offered scientists fresh insights into an unusual type of volcano -- a type of volcanism more hazardous than previously ...