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.
An engineering student has built an underwater vehicle using a Lego Mindstorms NXT and a pair of NXTBee chips.
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.
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.