Lava in Hawaii, seismic shaking in Alaska and underwater rumblings near Oregon. Scientists say it’s not the end of the world, but it’s definitely worth watching.

From Mount St Helens in Washington to the Mauna Loa in Hawaii, these structures have a complicated history of disaster and beauty.

Spectacular drone footage captured the Sundhnúkur volcanic fissure erupting in southwest Iceland on Wednesday. A river-like ...

A view of the volcanic eruption by the Sundhnúkagigjarö íur volcano, in Grindavik, Iceland, Wednesday, 16 July.

The National Park Service is clearing up any misconceptions on whether wildlife is migrating away from Yellowstone National ...

Magnitude 7.3 quake triggered tsunami warning in Alaska. There are hardly any earthquakes on the East Coast. Does that mean we can't get tsunamis?

A 7.3-magnitude earthquake struck off Alaska’s coast near Sand Point on Wednesday, triggering a tsunami warning for parts of ...

The giant earthquake was recorded at 12:37 p.m. local time, southeast of Sand Point, a community located on Popof Island in ...

Closing Mauna Loa and three other U.S. sites that track greenhouse gases would disrupt a decades-long record of the planet’s ...

Nearly 70 years ago, the U.S. state of Alaska was hit by a gigantic wave that holds the status of the largest ever recorded.

A tsunami advisory issued for south Alaska and the Alaska Peninsula was cancelled Wednesday afternoon hours after a massive 7 ...

Yellowstone is home to hundreds of species of birds, fish and mammals, according to the NPS. It is the only national park in ...