ABC World News Tonight with David Muir Full Broadcast - Aug. 25, 2026

Following the death of music legend, actress, businesswoman and philanthropist Dolly Parton at age 80, David Muir looks back at her life – from her humble country roots in Tennessee, to her award-winning career that spanned more than six decades; Rachel Scott reports on Canada imposing retaliatory tariffs of up to 50% on over 700 U.S. products after Pres. Trump's steep new tariffs on Canadian goods; with the start of NFL season just two weeks away, Steve Osunsami has details on the new study that’s found at least 25% of former NFL players who died between 2016 and 2021 may have had the degenerative brain disease CTE; and more on tonight’s broadcast of World News Tonight with David Muir. 00:00 Intro 02:26 Remembering the life and legacy of Dolly Parton 13:19 Wildfires destroy dozens of homes in Texas and Nevada 14:35 Blackhawk helicopter crashes in Colorado mountains 14:51 Trade war escalates as Canada imposes retaliatory tariffs on 700 U.S. imports 16:24 New study finds 1 in 4 NFL players who died over 6 year period showed CTE signs 17:49 First 2 measles deaths this year reported in Pennsylvania 18:07 CIA director makes secret trip to Moscow for unannounced talks with Russian officials 18:41 Trump administration threatens to demolish the Kennedy Center 19:01 Triathlete coach bitten by alligator while training in South Carolina 19:28 Target apologizes for 'offensive' kids Halloween costume that evoked racist imagery 20:14 Tributes pour in after passing of country music icon Dolly Parton “Dolly Parton: An American Original - A Special Edition of 20/20” airs tonight, Aug. 25th at 10/9c on ABC ABC World News Tonight with David Muir delivers the news that matters most. Watch to get the latest news stories and headlines from around the world. Follow ABC World News Tonight on... Instagram: https://www.instagram.com/abcworldnewstonight/ TikTok: https://www.tiktok.com/@abcworldnews X (formerly Twitter): https://twitter.com/ABCWorldNews Facebook: https://www.facebook.com/WorldNewsTonight Threads: https://www.threads.net/@abcworldnewstonight ABC News is your trusted source for breaking news, analysis, exclusive interviews, headlines, and videos: https://abcnews.go.com/ Subscribe to ABC News on YouTube: https://bit.ly/2vZb6yP Watch full episodes on Hulu: http://abcn.ws/3bzvQQn WorldNewsTonight DavidMuir News ABCNews