The Latest Breaking News from Titan

The sounds were coming at 30-minute intervals, according to an internal email update sent by the Department of Homeland Security's National Operations Center, which could mean the passengers on board are still alive.

One woman tells Sheila Flynn how she finally ended up visiting the famed Titanic wreck at its underwater grave after a near lifelong obsession – and what the surreal journey is actually like

There's been no sign of life since Sunday. It would be wrong to entertain false hopes for the five crew and passengers who plunged into the North Atlantic aboard a small tourist sub to explore the wreck of the Titanic. We ask about the massive search-and-rescue effort and see why…

Sonar buoys and ships, reconnaissance planes and unmanned submersible vehicles are scouring an area of the Atlantic Ocean ‘the size of Connecticut’ for any trace of the missing Titan dive ship. Bevan Hurley explains the unprecedented rescue effort