Four types of volcanoes—shield, composite, cinder cone, and plug dome—can be found in Lassen Volcanic National Park, where they literally bubble and steam.

One of the world’s oldest national parks, Mount Rainier became ... one of the world’s most active volcanoes. The Sicily, Italy, volcano is almost constantly in a state of eruption.

Just under the surface of the Pacific Ocean in the Solomon Islands is an active underwater volcano that's inexplicably ...

One of the images already selected as part of the #YourShotOurHOME challenge. "An adorable Asiatic lion cub sleeps in the middle of the road. The cub was trying to warm itself during a winter ...

The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins ...