Oregon Mall Shooting: At Least 3 People Dead

London Attacks: Brave Mother Confronted Hacking Suspects

Details emerge about the men accused of carrying out a brutal, public attack on a British soldier.

Want to Save Money on Gas? Grab Your GasBuddy

Website-turned-smartphone app helps users save money at the pump.

Secret Cinema, Where You Become the Star

From "Prometheus" to "The Shawshank Redemption," inside the mysterious movie-going craze.

Jodi Arias Jury Can't Agree on Death Sentence

In a jailhouse interview with ABC News, Arias explains why she begged for her life.

Horrific Video From Inside Oklahoma School

Teacher captures the moment the EF-5 tornado hit Moore, Okla., and the devastating aftermath.

Oklahoma Tornado: Stories of Survival and Hope

Families reunited after a monster tornado leveled Moore, Okla., killing at least 24 people.

Oklahoma Tornado: Search and Recovery

How neighbors in Moore, Okla., made it through the worst case scenario

Oklahoma Tornado: Shocking Images After the Storm

Photographers captured now iconic images of rescues and devastation.

Massive Tornado Devastates Oklahoma City Area, Dozens Killed

Elementary schools, homes and hospitals were destroyed in the monster twister's wake.

Tornado Outbreak: Destruction in the Heartland

The Midwest has suffered from three straight days of tornado activity.

Oklahoma Tornado: Search and Recovery

Oklahoma Lt. Gov. Todd Lamb gives "Nightline" the latest on rescue efforts in Moore, Okla.

Powerball Madness: More Than $600M Up for Grabs

Lotto fever sweeps the nation as one of the biggest jackpots in history approaches.