A deep-sea submersible carrying five people on a voyage to the century-old wreck of the Titanic was found in pieces from a "catastrophic implosion" that killed everyone aboard.
A tourist submersible that vanished while taking wealthy passengers on a voyage to the wreck of the Titanic in deep waters off Canada's coast has gone missing for a third day.
Rescuers searched a vast swath of the North Atlantic racing…