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 Osage Nation Ranch is investigating the theft of cattle and subsequent deaths, with 28 cows and calves affected.

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.

As a result of that decision, the landmark U.S. Supreme Court ruling on tribal reservations in Oklahoma doesn’t apply to the Osage reservation, the five state appellate court judges ruled.

The Osage County Sheriff's Office is investigating after seventeen cows were reported stolen from Osage Nation Ranch and more ...

The Osage Nation has asked a federal judge to vacate a 16-year-old decision that the tribe’s reservation had been disestablished, citing the U.S. Supreme Court ruling in the McGirt v. Oklahoma case.

Emily Eleftherakis is the inaugural executive director of the Tribal Sovereignty Institute at Oklahoma City University School ...

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.

At 10 years old, he was the subject of the book “Meet Christopher: An Osage Indian Boy From Oklahoma,” where his journals were used to help paint a picture of what modern Osage life was like.

WAH'KON-TAH—John Joseph Mathews —University of Oklahoma Press ($2.50). Osage Indians did not always ride in limousines, squat in blankets among Grand Rapids furniture and generally ...