George Marler's documentation of hydrothermal activity has provided future generations with invaluable information, writes ...

Federal prosecutors call the incident an act of terrorism. In a new court filing, federal prosecutors allege the suspect who took a hostage and got into a shootout with Yellowstone National Park ...

In a flurry of executive orders, President Trump has taken aim at the federal bureaucracy staffed by hundreds of people who ...

The gunman revealed his plans to commit violence to his brother days before dying in a shootout with park rangers, according to court documents. He complained to his brother about Yellowstone in ...

In a new court filing, federal prosecutors allege the suspect who took a hostage and got into a shootout with Yellowstone National Park rangers in July ranted that he "refuse[s] to fraternize with ...