Even as it clashes with American Indians over reductions to national monuments in the Southwest, the Trump administration is engaging with a Montana tribe over the creation of a new monument next to its reservation

Outdoor clothing giant Patagonia and other retailers have jumped into a political battle over President Donald Trump's plan to shrink two sprawling Utah national monuments

Another coalition of conservation groups is suing to stop President Donald Trump's cuts to Bears Ears National Monument in Utah

A flurry of lawsuits challenging President Donald Trump's decision to chop up two large national monuments in Utah could finally bring an answer to the much-debated question of whether presidents have the legal authority to undo or change monuments

More lawsuits are expected Wednesday over the Trump administration's plans to shrink several national monuments.

The U.S. Fish and Wildlife Service will review the recent lifting of protections for Yellowstone-area grizzly bears in light of a court ruling that retained protections for gray wolves in the Great Lakes

North Dakota health officials say the permit for a proposed oil refinery near the Theodore Roosevelt National Park is still subject to public comment.

Interior Secretary Ryan Zinke is strongly disputing a claim by outdoor retailer Patagonia that President Donald Trump "stole" public land by shrinking two national monuments in Utah