Ranger naturalist George D. Marler monitoring of changes in hydrothermal activity in Yellowstone was useful in understanding ...

Floyd Collins entered Sand Cave a century ago today to explore its prospects as a visitor site and became trapped in a passageway not much wider than his chest, dislodging a 27-pound rock that pinned ...

Position: The Department of the Interior oversees public and federal lands and their natural resources, the Bureau of Indian Affairs, the National Park Service and the ... of the lands and waters of ...

The National Park Service stays out of the debates about crowd sizes — including for President-elect Donald Trump's ...

More about Burgum: Position: The Department of the Interior oversees public and federal lands and their natural resources, the Bureau of Indian Affairs, the National Park Service and the Fish and ...

Position: The Department of the Interior oversees public and federal lands and their natural resources, the Bureau of Indian Affairs, the National Park Service ... of the United States, giving ...

These beautiful national parks are free to enter every day of the year. Wondering if they're good ones? Trust us—they're ...

Thousands of federal workers feel caught in limbo after the White House offer to buy out employees if they agree by Feb. 6.