The magma cap is critical for preventing eruptions at Yellowstone ... Steaming Morning Glory Pool in the Upper Geyser Basin, Yellowstone National Park, Wyoming. Marina_poushkina/Getty Images ...

Poland said for the volcano to erupt again, Yellowstone’s magmatic system ... a gunman taking eight people hostage at Old Faithful Geyser’s visitors’ center in 1989, according to NPS history ...

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 ...

Yellowstone National Park has just banned a popular activity to protect local fauna. It remains unclear when the ban will be lifted.

Think our national parks are only good for hiking and scenic drives? Think again, says our national parks columnist.

Research expeditions found that pockmarks in the Pacific Ocean were not created in the way they originally thought.

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

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

In a state often defined by its agricultural landscape, Ponca State Park stands as a magnificent reminder that Nebraska’s natural heritage includes dramatic bluffs, diverse forests, and wild river ...

Numerous experienced outfitters like the Mill Iron Ranch and Jackson Hole Trail Rides, offer a variety of rides to all age ...