Helicopters and airplanes are often used to detect and sink submarine craft, but how exactly does that happen? What allows ...

NYPD divers are talking about the recovery mission following last week's deadly helicopter crash in the Hudson River​.

Six people — including Siemens executive Agustín Escobar — are dead after a tour helicopter crashed into the Hudson River on Thursday. Here’s what we know.

Officials have released the names of the victims in Thursday's deadly helicopter crash. The cause is still not known.

After testing that the IR communication would actually work as expected underwater, [Peter] liberated the motors and electronics from the helicopter. The motor’s wires were shortened ...

Passengers who take an underwater escape training class—even for a day—can as much as triple their odds of surviving a helicopter crash. It’s dark inside the half-submerged structure as my ...

They searched desperately but deliberately in zero visibility for survivors in the swift currents of the murky Hudson River.

according to video from an underwater remotely-operated vehicle at the crash site. In October 2018, a private company hired by an unnamed individual to locate the helicopter that crashed a year ...

Police and fire department divers are searching for the main and rear rotors of a sightseeing helicopter that broke apart in ...