Are you planning a trip to the Big Island and want to know some fun Big Island activities to add to your itinerary? Find out ...

Lava shooting as high as 800 feet turned Kilauea’s summit into a roaring furnace earlier this week, a reminder that one of ...

Hawaii's Kilauea was spraying a spectacular fountain of lava on Monday, keeping up its reputation as one of the world's most ...

Olympus Mons, a shield volcano on Mars, is the largest volcano in the solar system, measuring approximately 370 miles in diameter and 26 kilometers in height. The formation of Olympus Mons and three ...

Kīlauea summit region shook for 5 hours Nov. 14 that year as magma made a path to the surface. The eruption began at 8:08 p.m ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Arsia Mons, one of Mars' largest volcanoes, pokes out of the clouds just after dawn. | Credit: ...