Remote controlled cars are easy, and RC tanks can even shoot their guns. One type of vehicle has eluded remote control hobbyists to a large extent; building a remote control submarine is hard.

Movie director James Cameron then made a solo plunge half a century later in 2012 in his bright green sub. Mariana Trench: Deepest ocean 'teems with microbes' Fly through the Mariana Trench James ...

That sub has explored depths below 7,000 meters, and is still operational today. People have explored deeper depths before, notably in the Pacific Ocean, where the Challenger Deep is believed to ...

In May 2002, the Navy research submarine USS Dolphin caught fire and partially flooded near San Diego while resurfacing to recharge its batteries. What You Need to Know: In May 2002, the Navy ...