Polar Prince: Support ship docks at Canadian harbour as rescue operations wind down

In losing Titan, St John's mulls a familiar tragedy

Explorer's harrowing experience of being trapped at Titanic stern in 2000

Titanic tourist submersible: Huge effort to find vessel as air supply dwindles

Titanic tourist submersible: Rescuers scan ocean as clock ticks

Titanic tourist submersible: My trip aboard the sub

Titanic tourist sub goes missing sparking search