Underwater acoustics or hydroacoustics is the study of sound propagation in water and its interaction with the water's boundaries and contents. Underwater acoustics has widely attracted attention ...

A fleeting 'ghost island' emerged in the Caspian Sea off Azerbaijan's coast in January 2023, born from the Kumani Bank underwater mud volcano. Reaching 1,300 feet across by February 2023, this ...

The underwater camera can rotate 360 degrees horizontally and 180 degrees vertically. It also can zoom in and out. It had to be mounted and chained to one of the pier's pilings.

Sublue underwater scooters, once sold at Costco, are under recall notice for possible "battery pack overheating and igniting," the manufacturer announced Friday.

A drone discovered by chance what archaeologists say are the remains of a 16th-century ship more than 1.5 miles underwater off southern France.

Mermaid Performer Goes Viral for Doing Entire Underwater Routine Without Ever Coming Up for Air (Exclusive) Silvia Solymosyová took her first swimming course at 4 to 6 months old ...

Sound travels far and fast in the ocean. The loud, low-frequency songs of giant whales can be heard up to 1,000 kilometers (620 miles) away, and sound travels roughly four times faster in seawater ...

Scientists find millions of 'golden eggs' near underwater volcano The eggs come from the Pacific white skate and were found in waters once thought too cold to support life. They can take up to 10 ...

But one Essex village was very nearly lost underwater due to a huge flood. Ashdon is a very recognisable village in Essex, with amenities including a much-loved pub, recognisable windmill, church ...

While there are plenty of startups building aerial drone swarms, Vatn wants to be the government’s answer for underwater swarms. Right now, a single user can operate about 10 Vatn vehicles.