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Nelson Mandela, Anti-Apartheid Hero, Dead at 95

Former South African president turned global icon changed the world with his beliefs.

Nelson Mandela's Legacy

Reactions to the anti-apartheid hero's death pour in from across the world.

Aretha Franklin Remembers Nelson Mandela

Legendary soul singer Aretha Franklin shares her memories of Nelson Mandela with "Nightline."

Nelson Mandela: In His Own Words

Highlights of Mandela's public statements about fighting for equality and hope for the future.

At Strawberry Mansion High, There's Fear, Hope

Part 1: Diane Sawyer spent months inside one of the country's most dangerous schools.

Struggling Philadelphia High School Receives Help

Part 2: ABC viewers, including hip hop artist Drake, donate to Strawberry Mansion High.

One Principal's Message of Hope

Part 3: Strawberry Mansion Principal Linda Cliatt-Wayman fights for her students to be better.

New Mommy Wars: Avoiding Synthetic Chemicals

Jessica Alba and others have launched "toxin-free" products, but is all this concern necessary?

GoPro Bomb Squad's Death-Defying Jumps

For a brotherhood of Utah daredevils, jumping from helicopters is another day at the office.

Feed Frenzy: Survival

Man survived three days in an air pocket of a sunken ship off the Nigerian coast.

Too Real 'Fast and Furious': What Caused Paul Walker's Crash?

Hollywood heartthrob, known for starring in the "Fast and Furious" movies, is dead at 40.

'Half-Ton Killer' Reveals 800-Pound Weight Loss

Marya Roseles, 33, once weighed over 1,000 pounds and falsely admitted to murder.