Kilauea has been erupting episodically — starting and stopping for a period — inside Halemaumau Crater within Hawaii ...

In Michigan's upper peninsula lies one of the world's oldest and largest lava flows. It's housed in a historic park, and it ...

Scientists have found a chain of underwater volcanoes near the Cook Islands, which are situated in the sea between French Polynesia and American Samoa — a beautiful forgotten territory of the United ...

Interior Secretary Douglas Burgum recently ordered National Park sites to remain fully open. Proponents say it will speed up ...