A massive aquifer is stored just beneath volcanic rocks at the crest of the central Oregon Cascades – possibly the largest aquifer of its kind in the U.S., according to researchers at the University ...

Somewhere out there, far away, is a ‘killer lake’. Surrounded by dead animals, it can cause you to choke on the air just by ...

Now that outgoing President Joe Biden has formally designated the Sattitla National Monument, a process to determine how it ...

People were flocking to Hawaii Volcanoes National Park on Wednesday to get a glimpse of fountaining lava. The eruption that began Dec. 23 in a crater at the summit of Kilauea ...

Chuckwalla and Sáttítla Highlands are our country's two newest national monuments. Here's where you can explore them.

A breathtaking image from the ISS shows Ksudach volcano with its vibrant landscape, shaped by volcanic forces, resulting in ...

While the Dec. 23 eruption at Kīlauea paused again on Saturday, the lingering vog has smothered much of the island, resulting ...

There was no visible flow of lava back into the vent after the pause, and the gradual drop in lava level is more likely because of loss of gas bubbles — summit lavas are 50% or more bubbles — or very ...

Hawaiian Volcano Observatory reports that activity stopped at about 8:40 p.m. Friday, putting the eruption that started during the early morning of Dec. 23 on pause for a third time. There is no lava ...

Corrections & clarifications: The water visibility at Crater Lake extends to a depth of 460 feet. The U.S. is full of iconic landmarks with many being popular bucket list destinations. According ...

The U.S. is full of iconic landmarks with many being popular bucket list destinations. According to the travel blog Discoverer, two of them can be found in the Pacific Northwest. The website has ...