undersea

One undersea cable connecting Finland and Germany was cut on Monday and the other, which runs between Lithuania and Sweden, was severed late Sunday.

Germany and Finland say they are "deeply concerned" after an undersea cable linking the countries was severed.

Where Wilshire Boulevard begins in downtown Los Angeles, thousands of miles of undersea fiber-optic cables disappear into an ordinary-looking office tower.

Coast Guard's Board of Investigations commenced Monday in South Carolina, as officials seeks answers about the deaths of five people killed in an undersea implosion of the Titan experimental submersible in June 2023.

It is the first public phase of a probe that began 15 months ago into an undersea disaster that sparked international search and rescue efforts.