Even though 99 percent of people who hop on a jet ski immediately turn into a jackwagon, there's no denying they're the most fun you can have on the water without fishing. At least, that used to be the case, until Seabreacher came along. Seabreacher is a semi-submersible speedboat that will take ...

Scientists were shocked at a run-in they had with an unexpected guest while surveying Pele's Pit, an active submarine volcano, on Lōʻihi Seamount. The scientists were in a submarine when a massive Pacific Sleeper Shark popped up out of nowhere, swimming in from the right side of the camera. The ...

These two farmers had never built a submarine before, but they didn't let that stop them from converting an old propane tank into one. At face value, a propane tank submarine may not sound like these most promising concept, but what these guys created is absolutely amazing. ...

French fishermen bagged the biggest catch of their lives when they reeled in a Portuguese submarine. The 220ft navy vessel got tangled in the net of a trawler off the English coast as it was taking part in a training mission. Portugal's Armed Forces General Staff said the sub got too close to the ...

Foget a jetski, I want one of these monsters! It's not often a boat that looks this outlandish actually delivers with equally outlandish performance. These fish-like boats are absolutely insane and look insanely fun to drive. They perform more like a steroided out submarine/motorboat hybrid that ...

USS Pennsylvania is a United States Navy Ohio-class ballistic missile submarine which has been in commission since 1989. The Ohio class is a class of nuclear powered submarines used by the United States Navy. The Navy has 18 Ohio-class ballistic missile submarines and guided missile submarines. ...