National

Tsarnaev friend Ibragim Todashev questioned about unsolved killings before shot dead by FBI agent

Four baby peregrine falcons hatched in a nest on New York City's George Washington Bridge, the busiest bridge in the world.

California's famous Livermore light bulb, which has been burning since 1901, suddenly went out overnight. KPIX's Juliette Goodrich explains.

Proposition D caps number of dispensaries to 135 -- far below 1,000 that operated before -- with hopes to keep neighborhoods safer

The Oklahoma City Thunder's Kevin Durant is promising to match pledges to the American Red Cross. Gayle King reports.

Convicted murderer Jodi Arias asked a Phoenix jury not to impose a death sentence, and revealed how she plans to use her time in prison. Gayle King reports.

Medical examiner's office announces it has positively identified 23 of 24 victims, 10 of those killed are children

While the exact number of homes destroyed or damaged is unclear, early assessments focus on 17-mile damage zone and 40-minute duration

"I just looked back for a second when I saw it ... and it was carrying the ceiling up"; 8-year-old Courtney Brown describes devastating tornado

The elementary schools destroyed in Oklahoma had no safe room where kids could have taken shelter from the tornado, and there are no requirements for any structures to be built to withstand tornado-force winds. CBS News' Elaine Quijano reports.