The Yellowstone National Park experiences the most significant changes that do not signal with noise. The surface started to rise in the very middle of one of the busiest spots of the north rim of the ...

The bulge first appeared in 1996 and has now returned, but Yellowstone Volcano Observatory says there's no cause for alarm.

Summer sells freedom, but Yellowstone can feel smaller when every entrance is open, every lane is busy, and a single bison ...

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

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

Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity manifested in geysers, hot springs, mud pots, and other thermal features, but e ...

The grounds in the north rim of Yellowstone have bloated about an inch since July 2025 due to magmatic stress. Is this a sign of an impending eruption?

“Yellowstone is a dynamic geologic system – the one constant is change.” So wrote Michael Poland, a geophysicist with the US ...

The earth's rumbling beneath Yellowstone, but don’t worry; scientists are keeping a close eye on that supervolcano and its ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week’s contribution is from Michael Poland, geophysicist with the ...

Colin Scott, 23, was exploring Yellowstone National Park with his sister in 2016 when he slipped and fell into a hot spring at Norris Geyser Basin.

WARNING: DISTRESSING CONTENT A young man tragically lost his life after falling into a hot spring at Yellowstone National Park in a horrifying accident in 2016.