and pools next to Old Faithful Geyser in Yellowstone's Upper Geyser Basin. Geyser Hill is a must for any Yellowstone visitor. It begins at Old Faithful and is a short boardwalk loop trail with ...

"Breaking: Yellowstone Lava Geyser," reads the post's caption. "For the first time in recorded human history, lava has shot out of one of the geysers in Yellowstone National Park. This following ...

If you don't get to see it, there are more than 500 active geysers located within Yellowstone National Park, including Old Faithful. Established in 1872, Yellowstone National Park was the world's ...

As geologists continue to gather findings about the explosion at Yellowstone last month, one expert is weighing in on if the incident may have created a geyser. The July 23 explosion resulted in ...

Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...

A surprise eruption of steam in a Yellowstone National Park geyser basin that sent people scrambling for safety as basketball-sized rocks flew overhead has highlighted a little-known hazard that ...

A large geyser that hadn't erupted since 1998 surprised two hikers near the edge of Yellowstone National Park's Norris Geyser Basin with a roar and burst of steam. Lee Whittlesey and Betsy Watry ...