The Lava River Cave outside of Bend is a mile deep and 60 feet tall. Here's how to explore Oregon's longest lava tube.

Thanks to groundbreaking models and the James Webb Space Telescope, scientists are poised to explore their mysterious ...

Hawaii’s Kīlauea volcano began erupting again on Wednesday for the 30th time in under a year, continuing to be among one of ...

The US Department of the Interior (DOI) has withdrawn its support for the 1,000MW Lava Ridge wind project in southern Idaho, ...

Episode 30 of the ongoing Kīlauea eruption on the Big Island began at about 1:20 a.m. on Wednesday, producing lava fountains ...

Hawaiian Volcano Observatory scientists said “episode 30” of the ongoing Kilauea eruption ended abruptly at 12:55 p.m. today after 12 hours of continuous fountaining.

A popular hiking trail in western New Mexico that features ancient lava flows and bat-filled caves will be closed through ...

The U.S. Department of the Interior announced Wednesday that it has canceled the controversial Lava Ridge wind energy project ...