Three first-place awards recognized The Frontier’s in-depth coverage of environmental violations, illicit marijuana networks and gaps in care for vulnerable Oklahomans.

Century Aluminum paid a settlement and fines tied to emissions issues as it pitches a new facility near Tulsa that it says ...

The Pardon and Parole Board rejects recommending clemency for a man sentenced to death for killing his ex-girlfriend and her baby in 2007. The Oklahoma Pardon and Parole Board voted unanimously ...

In a new Listen Frontier episode, councilors break down the moratorium, the tradeoffs and what success looks like when it ends.

The Pardon and Parole Board rejects recommending clemency for a man sentenced to death for killing his ex-girlfriend and her baby in 2007.

State regulators discovered strong signs of oil pollution, including high levels of salt and toxic metals, in one family’s drinking water. But for two years, they repeatedly delayed basic tests to ...

Salt water laced with cancer-causing chemicals, a byproduct of oil and gas drilling, is spewing from old wells. Experts warn of a pollution crisis spreading underground and threatening Oklahoma’s ...

State education grant writers said they quit in frustration after a lack of support. Walters has vowed in the past not to pursue grants that don’t align with “Oklahoma values.” Oklahoma State ...

A growing number of women are facing criminal charges for substance use during pregnancy in Oklahoma. Experts and health care providers say that’s bad for moms and babies. Brittney Poolaw brushed away ...

Residents near Enid say the smell of an oilfield waste disposal site made them feel sick. State officials weren’t sure who was in charge of enforcement. State regulators shut down the oilfield waste ...

Canoo has yet to turn a profit and its vehicles are still in development, but Oklahoma has offered the company a package of incentives valued at $300 million to help build a factory in Pryor. Canoo ...