A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.

Far beneath Yellowstone’s famous geysers, the ground is quietly on the move. Parts of the volcanic system are rising by ...

Scientists are monitoring a city of Chicago-sized swath of rising ground at the northern volcanic rim of the Yellowstone ...

Something roughly the size of Chicago is quietly pushing the ground upward along the north rim of the Yellowstone Caldera, ...

Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity ...

AI may have just found evidence of over 80,000 earthquakes that occurred underneath Yellowstone National park. The quakes, which are detailed in a new study, suggest that the supervolcano beneath the ...

Add Yahoo as a preferred source to see more of our stories on Google. Officials at Yellowstone National Park are shutting down rumors circulating on social media about wildlife leaving the park due to ...