Mount Apo had a spectacular hat-shaped cloud formation covering around its peak in the Philippines. Footage shows the volcano with lenticular clouds draped over its top portion in Davao del Sur ...

After being quiet for 110 years, the cone-shaped Momotombo volcano in Nicaragua rumbled to life on Dec. 1. A haze of smoke continues to emanate from the volcano's crater.

Ice volcanoes have shaped my life, and until today I didn’t even know if they actually existed. Now, thanks to NASA’s New Horizons spacecraft, there’s a good chance we’ve found a frozen ...