Missing Couple, Kids Found Alive in Frigid Nevada Wilderness
2 adults, 4 children found alive in Nevada after disappearing in frigid weather Sunday
Obama, Raul Castro Shake Hands at Mandela Memorial
The two leaders took the stage separately at the Mandela memorial.
Man Who Allegedly Pranked NFL, NBA Coaches Arrested
Kenneth Edward Tarr, 32, was arrested and charged with felony eavesdropping.
'American Hustle' Cast Talks 1970s Hair, Weight Gain and More
"Nightline" sits down with the cast of the film.
Jeffs' Nephews Say Sect Leader Uses 'God's Name to Brainwash'
Matt and Zack Jeffs say the polygamist leader is calling the shots from prison.
Nine of Mandela's Most Inspirational Quotes
He will be remembered for his many inspirational quotes.
Struggling High School Receives Much Needed Hope, Help
Philadelphia high school was one of the most dangerous schools in the U.S.
Jessica Alba Leads Mommy War on Synthetic Chemicals
Hollywood star takes part in an expanding movement.
Cynthia McFadden's Biography
Dan Abrams' Biography
Co-Anchor for 'Nightline'
Dan Harris' Biography
Watch: 'Nightline's' Historic Nelson Mandela Interview
Ted Koppel, first to interview Mandela after his release from prison, asked an unexpected question.
Watch: Warren Jeffs' World of Polygamy
A look at FLDS, the largest polygamist group in the U.S., and the men trying to help young women leave.
Watch: Inside 'American Hustle'
The cast of the film opens up about the '70s corruption tale and transforming for their roles.
Watch: Man Who Allegedly Pranked NFL, NBA Coaches Arrested
Kenneth Edward Tarr allegedly pranked coaches from the NFL, NBA and college football teams.
Watch: Mandela, As Told by Hollywood
Numerous movies have tackled the story of Nelson Mandela's life and the horrors of apartheid.
Watch: The Boy Mandela Called an 'Icon for the Struggle of Life'
In honor of her adopted son, Gail Johnson created refuge for families living with HIV.
Watch: Struggling Philadelphia High School Receives Help
Part 2: ABC viewers, including hip hop artist Drake, donate to Strawberry Mansion High.
Watch: New Mommy Wars: Avoiding Synthetic Chemicals
Jessica Alba and others have launched "toxin-free" products, but is all this concern necessary?
Watch: 'Half-Ton Killer' Reveals 800-Pound Weight Loss
Marya Roseles, 33, once weighed over 1,000 pounds and falsely admitted to murder.
Watch: Tracking Elusive Narwhals in the Arctic
Part 1: These creatures known as the "unicorns of the sea" are threatened by climate change.
Watch: Close Call on the Arctic's Melting Sea Ice
Part 2: A desperate scramble over a massive crack in the sea ice creates a scary situation.
Watch: Climate Change Threatens Arctic Life
Part 3: Warming global temperatures are melting critical sea ice.
Watch: Feed Frenzy: Survival
Man survived three days in an air pocket of a sunken ship off the Nigerian coast.
Watch: Feed Frenzy: Bird Bandit
A thieving eagle managed to swipe a video camera and capture a selfie.
Full Episode: Nightline 12/04: From Tears to Triumph: Strawberry Mansion High
Diane Sawyer's report after spending months inside one of the country's most dangerous schools.
Full Episode: Nightline 11/28: Lung Transplant Recipient's Quest to Know Donor
One Life Lost, Another Saved; Barbara Walters' President Obama, First Lady Exclusive
Full Episode: Nightline 11/06: Brad Paisley, Kimberly Williams-Paisley, Others Hit With Cruel Hoax
Celebrity Catfishing, 'Stand Up for Heroes'
Photos: Nelson Mandela's Life, Family, Imprisonment in Photos
The life of former South Africa President Nelson Mandela.
Photos: Colombian Exorcist's Bizarre Rituals
Villagers, farmers flock to 'El Exorcista' Brother Hermes Cifuente to be saved.
Photos: Capturing 'Humans of New York'
Amateur photographer Brandon Stanton's project grabs moments of pure emotion.
Photos: The 'Other' Malalas
A surgeon repairs acid attack victims' faces, women advocate for human rights.