YELLOWSTONE NATIONAL PARK - Yellowstone harbors a potentially dangerous volcanic system and more needs to be done keep track of it, according to a new report by the U.S. Geological Survey. Improving ...

The Iliamna volcano is "ready to rumble," according to NASA An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists. However, there's a ...

For three days, a remote volcano off the Pacific Northwest coast has been shaking almost nonstop, a deep rumble beneath the ocean that has ricocheted across social media as a supposed warning shot for ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Lee said he and ...