On March 1, 1872, President Ulysses S. Grant signed the bill creating Yellowstone Park, the first national park in the history of the world. Despite the fact that the new national park comprised ...

The best times to visit Yellowstone National Park are from late April to May as well as September through early October. These shoulder months offer mild weather, fewer crowds and little to no ...

A herd of bison caused a "little bison jam" at Yellowstone National Park in Wyoming as the majestic animals crossed the road and held up traffic. Video footage shared by Cindy Shaffer shows a line ...

When hydrologist Bob Beschta arrived in Yellowstone in 1996, he noticed something odd with the Lamar River. The stream was over-widened, the banks were eroding and precious soil was sloughing off ...

Seven people were killed in a collision between a pickup truck and a tour van near Yellowstone National Park on Thursday, May ...