But there's plenty that is known about a sub's speed while underwater. Because submarines are designed for underwater operation, you might think they're faster beneath the waves, but in the ...

Submarines are among the most sophisticated vehicles that humanity has ever developed. Their capability to navigate both the ocean surface and deep waters, their capacity to operate silently, and ...

A high-performance tech can reportedly provide a comprehensive picture of the underwater acoustic environment, ...

More than 11 years after the disappearance of Malaysia Airlines flight MH370, the Malaysian government has approved a new search for the missing debris of the aircraft.

In addition to talking with one another, submarines need to receive orders while deeply submerged and far from home.

North Korea has conducted a slew of underwater-launched ballistic missile tests since 2016, but all launches were made from the same 2,000-ton-class submarine which has a single launch tube. Many ...

North Korea has conducted a slew of underwater-launched ballistic missile tests since 2016, but all launches were made from the same 2,000-ton-class submarine which has a single launch tube.

North Korea has conducted a slew of underwater-launched ballistic missile tests since 2016, but all launches were made from the same 2,000-ton-class submarine which has a single launch tube.

David Alpert was named the British Underwater Photographer of the Year for his image titled The Curious Seal. A Spanish photographer has been named Underwater Photographer of the Year for his ...

or communicate with crew members nearby to aid with various underwater missions, such as salvaging. The vertical, tin-can-like submarine, equipped with porthole windows and a powerful spotlight ...

Fighting fish, thirsty camels and hairy shrimp are all featured among the winning images of the 2025 Underwater Photographer of the Year competition. Spanish photographer Alvaro Herrero was named ...

The Underwater Photographer of the Year competition ... The SS Carthage was sunk by the submarine U-21 on July 4, 1915. It sits off the coast of Turkey at a depth of 84 meters, or 276 feet.