David Muir

The six-member crew of the International Space Station is tasked with studying a sample from Mars that may be the first proof of extra-terrestrial life, which proves more intelligent than ever expected.

A look back at the top stories, trends and entertainment obsessions that defined the last 12 months.

Prediction markets let anyone bet on anything, from the World Cup to alien invasions. "Instadocs" investigates the explosive rise of global betting.

Why was Alex Murdaugh's conviction overturned? The debut of "Instadocs" digs into stunning allegations of jury interference in his double murder trial.

Celebrating Dolly Parton's life, music and legacy -- featuring never-before-seen interviews with Dolly herself, unforgettable interviews with Robin Roberts and Barbara Walters, and reflections from those who knew her best.

A documentary exploring Lev Parnas' involvement in the Trump-Ukraine scandal that resulted in the former president's impeachment, detailing Parnas' unexpected entanglement with Trump and Giuliani, leading to his incarceration.

Our Barbara: A Special Edition of 2020, a two-hour primetime special, will feature Walters’ most groundbreaking and iconic interviews, never-before-seen behind-the-scenes footage of Walters, and interviews with Bob Iger, David Muir, Diane Sawyer, Deborah Roberts, Robin Roberts and George Stephanopoulos, among others, according to the network. ABC News will profile Walters’ prolific life and legacy, including making history as the first woman to co-anchor network morning and evening newscasts and paving the way for women in broadcast journalism.

Special reporting from the deadly fires in California.

Celebrities, comedians, newsmakers, and the ABC News team look back on the biggest stories, trends and entertainment obsessions that defined the last 12 months.

What happened when terror gripped the rural town of Moscow, Idaho, when authorities found four University of Idaho students ― Ethan Chapin (20), Madison Mogen (21), Xana Kernodle (20) and Kaylee Goncalves (21) ― stabbed to death in an off-campus house in November.

A group of 20-year-olds whose mothers were pregnant with them when their fathers were killed in the 9/11 attacks and their families talk about their lives.

On 8 Dec 1980, the world stood still as it learned about the death of John Lennon, a music icon and former member of The Beatles.

As 2021 comes to a close, ABC News present its annual two-hour special highlighting the biggest moments of a historic year. With the country still fighting COVID-19, a groundbreaking inauguration, the Capitol insurrection, and continued protests for racial justice, 2021 proved to be a year unlike any other in modern-day history. "Good Morning America" co-anchor Robin Roberts anchors "The Year: 2021" alongside a team of ABC News anchors and correspondents. "The Year: 2021" features reports on the history-defining events of the year, including breakthroughs in space exploration and vaccines, the race to save the planet from global warming, and how America continues to rebuild and reopen following two years of living in a pandemic, as well as the most talked about times in pop culture, such as milestones in movies and television.

David Muir interviews survivors and family members who lost loved ones in the attacks on the World Trade Center, the Pentagon and United Flight 93 in Shanksville.

In 1978, Rodney Alcala won a date on the popular TV show, The Dating Game. What no one knew was that he was a prolific serial killer in the middle of a cross-country murder spree.

Remembering President Jimmy Carter's life, lessons, and legacy.

New details and new interviews look at the arrest and conviction of Scott Peterson in the murders of his wife, Laci Peterson, and their unborn son.

As a nation mourns its longest-reigning monarch, all eyes are on King Charles III, who will carry on his mother's legacy.

ABC Daytime's morning chatfest, currently featuring Whoopi Goldberg, Joy Behar, Sunny Hostin, Sara Haines, Alyssa Farah Griffin, and Ana Navarro discussing the most exciting events of the day. Hot topics in the news, the best experts in their field, celebrity interviews and general entertainment are all part of The View.

Jimmy Kimmel Live! is an American late-night talk show, created and hosted by Jimmy Kimmel and broadcast on ABC.

A morning talk show with A-list celebrity guests, top-notch performances and one-of-a-kind segments that are unrivaled on daytime television, plus spontaneous, hilarious and unpredictable talk.

20/20 is an American television newsmagazine that has been broadcast on ABC since June 6, 1978. Created by ABC News executive Roone Arledge, the show was designed similarly to CBS's 60 Minutes but focuses more on human interest stories than international and political subjects. The program's name derives from the "20/20" measurement of visual acuity. The hour-long program has been a staple on Friday evenings for much of the time since it moved to that timeslot from Thursdays in September 1987, though special editions of the program occasionally air on other nights.

The story of the enduring friendship between Orry Main of South Carolina and George Hazard of Pennsylvania, who become best friends while attending the United States Military Academy at West Point but later find themselves and their families on opposite sides of the American Civil War.

Rachael Ray, also known as The Rachael Ray Show, is an American talk show starring Rachael Ray that debuted in syndication in the United States and Canada on September 18, 2006. It is filmed at Chelsea Television Studios in New York City. The show's 8th season premiered on September 9, 2013, and became the last Harpo show in syndication to switch to HD with a revamped studio. In January 2012, CBS Television Distribution announced a two-year renewal for the show, taking it through the 2013–14 season.

ABC World News is the flagship daily evening television news program of ABC News, the news division of the American Broadcasting Company television network in the United States. Currently the weekday editions (going by title ABC World News Tonight with David Muir) are anchored by David Muir. ABC World News has been anchored at various times by a number of other people since its debut in 1953. It also has used various titles, including ABC Evening News from 1970 to 1978 and World News Tonight from 1978 to 2006.

Discover what it’s like to report to work every day for The Walt Disney Company. Step behind the scenes to immerse yourself in one “ordinary” day at Disney.

Firsthand accounts from authorities and journalists illuminating four disturbing events as they describe the twists and turns of the investigations and the breakthrough moments that led investigators and police to each killer's doorstep.