It's been 45 years since ABC News' iconic late-night show "Nightline" debuted on March 24, 1980. To celebrate the occasion on Monday, past and present anchors dive into its history and enduring appeal ...

Nightline, or ABC News Nightline, is a late-night news program that is broadcast by ABC in the United States, and has a franchised formula to other networks and stations elsewhere in the world.

LGBT people in Chechnya fear brutal persecution at the hands of government; Coming out to head of Chechen police, a force accused of brutal 'gay purge' ...

But wherever Koppel settles next, tonight marks the end of an era. And not just for “Nightline,” but across network news as he joins three other giants who, in the past 12 months, have left the ...