Undersea mountains are key locations for predators—with 41 times more sharks than the open ocean, new research shows.

By studying elephant seals' hunting patterns, scientists have discovered a new way to monitor deep-sea fish populations.

A newly released recording potentially includes audio of the deadly submersible implosion from 2023, according to the U.S. Coast Guard.

Ukraine’s nuclear ghosts have been stirred up again after a drone armed with a warhead hit the protective outer shell of the ...