Discoveries into volcanoes on Mars have been revealed and they may hold the secret to ancient life on the Red Planet.

The ongoing Halemaʻumaʻu eruption at Kīlauea on Hawaiʻi Island resumed with lava overflowing the south vent at 3:20 a.m. HST ...

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than ...

Check out 24 of the world’s must unusual landscapes — from the hellish Darvaza Gas Crater in Turkmenistan to the “snow ...

What’s it like to ride down an active volcano? Cotopaxi in Ecuador gave us the ultimate high-altitude descent—lava rock, speed, and pure adrenaline. This one was unforgettable. #Cotopaxi #VolcanoRide ...

An increase in seismic activity was observed in Bulusan Volcano in Sorsogon province, the Philippine Institute of Volcanology ...

While it may be the deadliest volcano in the continental U.S., some say it's a relatively "easy" climb for those in good ...