As former U.S. Interior Secretary Ryan Zinke exits Washington chased by unresolved ethics investigations, he says he has lived up to the conservation ideals of Teddy Roosevelt and insists the myriad allegations against him will be proven untrue

Shutdown spares federal park rangers at site in Trump hotel

The National Park Service says a man died after falling into a river at Yosemite National Park on Christmas Day

Former U.S. Interior Secretary Ryan Zinke says National Park visitors should "grab a trash bag and take some trash out" as garbage bins at some parks overflow during the government shut down

Zoo becomes latest victim of government shutdown, but thousands of animals still need to be fed, pregnancies need to be monitored and poop has to be scooped

Shutdown takes toll on national parks as garbage, human waste begin to overwhelm areas open to visitors

The national Christmas tree, a symbol of season's cheer, became an icon of paralyzed government

Federal government expected to remain partially shut down past Christmas as standoff deepens between Trump and Democrats

Tourists trekking to parks and historic sites across the U.S. are seeing a mix of impacts from the federal government's second shutdown in less than a year

U.S. government attorneys are appealing a court ruling that restored protections for grizzly bears in the Northern Rockies and blocked plans to hold the first public hunts for the animals in decades