Ever since the Osage Nation received a grant totaling over $19 million, the Department of Natural Resources has been trying ...

A 2010 federal appellate court had already decided the Osage Nation’s reservation was disestablished, the court said in its decision to uphold a Barnsdall man's conviction in a 2018 murder case.

The Osage Nation is leading a complex and long-term initiative to identify, plug, and remediate thousands of orphaned oil ...

The tribe is hoping to gain acknowledgement of the continued existence of its reservation, Osage County, through a federal civil lawsuit it lost on the issue 15 years ago.

The Osage Nation purchased our reservation with our funds in 1872, and an act of Congress has never disestablished it. In their opinion, the 10th Circuit wrote exactly that before going to some ...

Congress disestablished the Osage Nation’s northern Oklahoma reservation, the state’s highest criminal court ruled Thursday. The closely watched decision means Oklahoma can continue to ...

Set in early 20th-century Oklahoma on the Osage Indian Reservation, Martin Scorsese’s film “Killers of the Flower Moon” highlights how newly discovered oil became a curse for Osage who held ...

FILE - Geoffrey M. Standing Bear, chief of the Osage Nation, arrives for the inauguration of Oklahoma Governor Kevin Stitt in Oklahoma City, Monday, Jan. 14, 2019.

America’s first prima ballerina Born on Jan. 24, 1925, in Fairfax, Oklahoma, on the Osage reservation, Tallchief began ballet training at three years old.