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 ...

By Kaitlyn Schwanemann, CNN (CNN) — The Osage Ballet overlooks a creek in Pawhuska, Oklahoma, on the Osage Indian reservation. Before class, students can be found warming up with plies and ...

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.

By Kaitlyn Schwanemann, CNN (CNN) — The Osage Ballet overlooks a creek in Pawhuska, Oklahoma, on the Osage Indian reservation. Before class, students can be found warming up with plies and ...

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 ...

OKLAHOMA CITY (AP) — Questions over whether the Osage Nation reservation in northern Oklahoma still exists will next be answered by the state's Court of Criminal Appeals. Osage County District ...

Oral arguments are set for Monday in a federal case that pits the Osage Nation against non-Indians in Osage County and against the state of Oklahoma.