A look at the sheer scale, history, and evolution of 10 of the biggest military submarines ever made, from early experiments ...

Vladimir Putin attended a ceremony to announce the launch of the sixth and newest Project 885M Yasen-M nuclear-powered fast ...

Rolls-Royce Submarine, a subsidiary of Rolls-Royce plc, builds the nuclear steam engines for the Royal Navy's submarine fleet ...

Kelly Collins, 32, descended 25 metres below the surface in the sub on Monday, March 24. Now, the ‘shocked' HGV driver, who ...

The new nuclear submarine, SSN-797 ... “It just feels natural for us to have a warship named Iowa back on the Navy register. For decades the name Iowa reigned supreme amongst the high seas ...

One terrified passenger from the Sindbad submarine shared their horror after panic quickly set in when the Sindbad submarine ...

Crew members of the USS Indiana submarine are back at their home port Thursday afternoon in Groton following their six-month ...