S trange things are afoot in Yellowstone National Park.

Beneath Yellowstone National Park, a swarm of tiny tremors that no one felt is quietly reshaping how scientists think about volcanic risk. By teaching artificial intelligence to sift through years of ...

Valentine Geyser's activity in the day of love remains under wraps because of park regulations.

Scientists have uncovered tens of thousands of previously unseen earthquakes beneath Yellowstone, a reminder that one of the world’s most closely watched volcanic systems is far from quiet even when ...