Most every American or visitor to the US is very familiar with the National Park system, but what constitutes something being ...

The broader outlook for the Park Service, and subsequently Yellowstone, is far more uncertain. The Trump administration’s ...

Is it safe to drink treated water from rivers in Yellowstone National Park? Well, that depends on whether there are any nearby thermal features.

Data could help to reveal the warning signs of potentially dangerous eruptions caused by liquid groundwater abruptly turning ...

Here’s Kuru’s list of the 10 best national parks for hiking: The undisputed king of hiking variety and foot traffic. Average trail rating: 4.4 A volcanic wonderland with a trail for every mood.

Beneath Yellowstone National Park lies something extraordinary—a giant underground chamber filled with molten rock, trapped ...

Construction of the $120-million, four-span steel plate girder bridge spanning the Yellowstone River gorge is slated to ...

Because of potential water and a source of heat, Olympus Mons has been suggested as a place to look for potential alien life; ...

Is it safe to drink treated water from rivers in Yellowstone National Park? Well, that depends on whether there are any ...

Federal lands near Canyonlands, Lassen Volcanic, Mount Rainier, Olympic, and Yellowstone national parks could be sold under ...

A new panorama from NASA's Mars Odyssey orbiter shows Arsia Mons, one of the largest volcanoes on Mars, rising above a thick ...