The Nation seeks to overturn the 2010 Irby ruling that denied reservation recognition, citing landmark Supreme Court ...

The tribe is hoping to gain acknowledgement of the continued existence of its reservation, Osage County, through a federal ...

Citing the US Supreme Court's McGirt ruling, the Osage Nation wants a judge to vacate a decision that the tribe’s reservation ...

The Osage nation is calling on the Federal Court to acknowledge it as a reservation.The filings are part of an ongoing legal ...

The Osage Nation is again trying to convince a federal judge in Tulsa to reaffirm its reservation despite the Tenth Circuit ...

The Osage Nation filed a brief last week asking the federal government to reverse a 2009 decision that the Osage Reservation ...

The Osage Nation is holding a 'Strategic Update Tour' around Oklahoma and across the country. The tribe says the goal of the tour is to update citizens on strategic planning, and to refine ...

Oklahoma,” says the brief filed on behalf of the Osage Nation. The Osage Nation claims in its filing that “there are no material differences between the statutes pertaining to the Creek ...