Think about a mountain that keeps getting taller but never explodes. This might sound impossible, yet it happens more often ...

The USGS Hawaiian Volcano Observatory keeps its eyes on active volcanoes in many ways. While old fashioned eyes and a notebook are used when field teams are near a volcano, modern volcano ...

Yellowstone National Park, with its stunning geysers and captivating scenery, is one of the most well-known and popular national parks in the country. That meant many people were around to see, flee ...

Lava is shooting 100 feet to 200 feet (30 to 60 meters) into the air as Hawaii's Mauna Loa, the world's largest active volcano, erupts for the first time in nearly 40 years. For now, lava is not ...

David Finlay has captured images of bioluminescence, fireflies, ghost mushrooms, meteors and the aurora australis, but seeing ...