Topic: Titanic
Missing Titanic sub: What are submersibles, how do they communicate, and what may have gone wrong?
An extensive search and rescue operation is underway to locate a commercial submersible that went missing during a dive to the Titanic shipwreck.
Titanic returns to theatres in remastered 4K 3D on 10 Feb
Titanic, James Cameron's Oscar-winning 1997 film, is returning to cinemas on 10 February.
