Ramon Rivera, 51, was taken into custody after three people were fatally stabbed within 2 1/2 hours across Manhattan.

The co-founder of Americans for Safe Aerospace, Ryan Graves, spoke with NBC News' Gadi Schwartz about testimony heard during ...

The search continues for Hannah Kobayashi, who disappeared after an extended layover at the Los Angeles airport. NBC News' ...

Authorities are investigating after a home explosion outside Cincinnati, Ohio, killed two people and hospitalized one.Nov. 20 ...