ABC World News Tonight with David Muir Full Broadcast - April 1, 2026

NOTE: This evening's broadcast of ABC's World News Tonight aired prior to President Donald Trump's address to the nation on the war with Iran. Gio Benitez reports from Kennedy Space Center in Florida, where the crew of Artemis II successfully blasted off in the first mission to the moon in more than half a century, with NASA teams cheering and crowds watching in awe as the astronauts embarked on their voyage; With all eyes on President Trump’s first primetime address to the nation since the war began, Matt Rivers has details on the U.S. unleashing new attacks across Iran, as a source tells ABC News Pres. Trump was recently briefed on ground options, including the seizure of Iran's enriched uranium; Aaron Katersky has the latest on the New York man charged with using weapons of mass destruction after federal agents say they found more than two dozen homemade pipe bombs in his home; and more on tonight’s broadcast of World News Tonight with David Muir. 00:00 Intro 02:41 Historic Artemis II mission to the moon with 4 astronauts successfully launches into space 07:04 Trump national address on Iran marks first speech since war began 09:50 Source: Pres. Trump recently briefed on possible ground options for U.S. troops in Iran 11:47 Supreme Court weighs birthright citizenship with President Trump in attendance 13:41 Dozens of homemade pipe bombs found in suspect's New York home, police say 15:06 Doctor accused of trying to kill his wife while hiking in Hawaii testifies in court 17:14 Former Fleetwood Mac guitarist Lindsey Buckingham attacked in Santa Monica: Sources 17:27 Luigi Mangione trial in UnitedHealthcare CEO's murder postponed until October 17:46 FDA approves new GLP-1 weight-loss pill giving patients another option 17:59 Hershey to return to classic recipes after criticism from Reese's grandson 18:26 Artemis II astronauts give inside look at Orion spacecraft now on mission to the moon 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