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This week wasn't the first time a gyrocopter (a.k.a. an autogiro) made a stopover in Washington, D.C.

As many as 70 vehicles piled up on one stretch of a Wyoming interstate Thursday after a heavy April storm dropped almost 10 inches of snow.

The LOCUST or Low Cost UAV Swarming Technology program uses packs of tiny disposable drones that are capable of communicating with each other and swarming in formation.

Police were searching for a gunman after several shootings in the Palms area of Los Angeles killed one person and injured three other people.

Jason Warnock ran up a highway and over a pedestrian bridge to reach a driver who crashed his SUV and was dangling on the edge of a cliff in Idaho.

Tax-committees introduced legislation in both chambers Thursday to grant President Obama "fast track" authority to negotiate Trans-Pacific trade deal.

How did a brazen pilot got so close to the U.S. Capitol? He heads to court Thursday. NBC national correspondent Peter Alexander reports.

The man who was trapped in an airborne jet's baggage compartment told a 911 operator: "Can you please tell somebody stop it? ... I can't breathe!"

Spring is the time to get outside and get moving - with high-tech fitness socks, smart treadmills and more.