The Alaskan Volcano Observatory has shared new images of plumes of gas streaming out of Mount Spurr, which scientists suspect ...

Paleontologists have unearthed a surprising variety of dinosaur eggshells in Utah that could completely reshape what we know ...

On Wednesday at 4:59 p.m., a 3.3-magnitude earthquake struck near Mesquite, Nevada, and Scenic, Arizona, according to the ...

Scientists racing the clock to finish excavating top southern Utah dinosaur fossil site before construction on a power ...

One of the most coveted hikes in the country has closed indefinitely, the Utah national park said in a recent announcement.

Geologists say Hawaii's Kilauea volcano shot lava as high as 1,000 feet into the air during its most recent eruptive episode ...

Normally, (seasonal workers) would have been here by this time, and we could have offered those services, but that got a ...

A man fell 50 feet from a cliff near a waterfall in Washington, leading to a “treacherous” nighttime rescue, officials said. Rescuers got the call at about 11:30 p.m. on March 23 at Big Tree Creek ...

A new report says saving the Great Salt Lake is Utah's "moonshot," to do the improbable and something no state has done ...

Lava began bubbling out of Hawaii’s most active volcano once again on Tuesday as Kilauea's sporadic eruption resumed.

How do volcanologists determine the height of eruptive plumes from Yellowstone’s past explosive eruptions? Ironically, you ...

A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it’s visible ...