Nightline

Nightline follows students who struggle with substance abuse -- including alcohol, meth and fentanyl -- as they fight for their recovery in hopes of graduating from Denver’s 5280 High School.

Students who struggle with substance abuse -- including alcohol, meth and fentanyl -- strive to finish high school; Nightline follows their journeys through an entire school year.

ABC News' Juju Chang reunites with the team behind the global phenomenon to chat about the series’ third and final installment.

Drinks infused with the active ingredient in marijuana, THC, are becoming popular but are still largely unregulated throughout the U.S.

"Real Housewives of New Jersey" star Dolores Catania candidly shared her experience with taking weight loss medication and how her life - and diet - have changed since her dramatic weight loss.

The singer-songwriter opened about his Tourette's syndrome diagnosis and what led him to taking a break from performing live.

Search and rescue crews are searching for survivors in central Texas after catastrophic flooding over the Fourth of July holiday devastated the area.