In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

Are we ready for a mega-blast from the supervolcano in Yellowstone National Park?

The incident happened Saturday, June 21, just before 7 a.m., according to Yellowstone National Park visitors who witnessed the bison’s demise.

The incident happened Saturday, June 21, just before 7 a.m., according to Yellowstone National Park visitors who witnessed the bison’s demise.

Yellowstone national park. Image by Kerry via Pexels. While the hot springs are mesmerizing, they are also perilously hot. Temperatures can exceed 199°F (93°C), which is more than enough to cause ...

The closures will remain in place until conditions improve. River temperatures should cool off at night, allowing fishing from sunrise until 2 p.m. each day. Yellowstone said all other rivers and ...

According to the USGS, lava began to overflow from the crater’s north vent around 11:26 p.m., signaling the potential onset of what would be Episode 26 of the ongoing eruption.

Discover how Wolf 907, a legendary Yellowstone alpha female, helped transform the park’s ecosystem and cemented her legacy amid remarkable challenges.

The arsenic concentration in Yellowstone thermal waters is often 1 mg/L, but concentrations as high as 17 mg/L have measured — that’s about 2,000 times higher than the MCL.