Video California scientist wins Nobel Prize

Dr. Karl Dyeser-Oth shares the discovery that led to his Nobel Prize win and how his kids reacte

Murder trial for Miguel Salguero-Olivares, suspect in 2012 killing of Faith Hedgepeth

Judge grants motion to preserve evidence in Christa Pike botched execution

9/11 families asking for release of documents allegedly tied to Saudi Arabia

University of Maryland police seek community's help in search for missing student

Trump expected to talk with Putin after lab researcher dies of mysterious illness

Former CIA officer pleads guilty to stealing nearly $200M in gold bar case

WH defends Trump's suggestion that Iran could 'take out' Los Angeles, San Diego

Florida police release dash camera video of deadly school bus collision

American Story: The Hands That Built the White House -- With Robin Roberts