The research ship Atlantis deploys underwater submersibles named Sentry and Alvin to gather data on a sunken ship that may have been a trade vessel from the days of the American Revolution.
A research team surveying the sea floor off the coast of O'ahu has found an intact ship sitting upright under 2,000 feet of water.
Who would live underwater for weeks at a time -- and in view of the public? Get to know Fabien Cousteau and his crew doing it for science, bragging rights, and, uh, the freeze-dried food.
An engineering student has built an underwater vehicle using a Lego Mindstorms NXT and a pair of NXTBee chips.
For CNET's Dan Terdiman, it's a dream come true: "flying" underwater in the $1.7 million DeepFlight SuperFalcon.
One of Charles Bombardier's many wild concept vehicle designs, the Arrow, could be powered by lithium-air batteries with a range of over 370 miles.
Submarines are awesome. A submarine shaped like a Killer Whale is off-the-charts awesome. It can be yours for a cool $100,000.
After it was found languishing in storage, the famous amphibian Bond car was auctioned off for nearly $1 million. Better yet, it turns out SpaceX and Tesla CEO Elon Musk was the secret buyer.
Richard Branson's latest effort is to send a solo submersible to the deepest spot in all five of the Earth's oceans.
Moviemaker's expedition to the Mariana Trench could usher in a new type of undersea lab that can extract chemical compounds from microorganisms living in the deepest parts of the ocean.