Yellowstone National Park has been around since 1872. Here are some fun facts you may not have ever learned about the country ...

Learn how geologists at Yellowstone National Park clean up hot springs filled with litter, saving them from irrevocable damage.

A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it's visible from a road rather than any significant change in the park famous for its ...

Wolves versus cougars... adapting to survive alongside one another: A comprehensive series of articles on this topic ...

The aptly named park closed its trails and outdoor features for the day.

Avoid the crowds at America's busiest national parks. These lesser-known parks offer stunning scenery, fewer visitors. and unforgettable outdoor adventures.

Springtime offers pretty much the perfect time to train for a race. Temperatures begin to rise (but not too high). And with ...

The National Park Service has released its latest visitation numbers. The country’s most popular national park drew more than ...

Biologists working in the northern part of the park reported their first grizzly bear sighting of the season on March 9. The ...

Back in January, SFGATE was on the ground in the national park during a previous eruption episode that also rained tephra ...

Yellowstone National Park had its first grizzly bear sighting of 2026 on March 9. The animal was seen scavenging on a bison ...