Researchers have known for centuries that some fish make sounds. Now, using special underwater acoustics, researchers have ...

Which sleep sound are the best for falling asleep? How about staying asleep? And is the future of sleep simply a story without an ending?

Among the many puzzles that confronted American sailors during World War II, few were as vexing as the sound of phantom enemies. Especially in the war’s early days, submarine crews and sonar operators ...

There’s something about ocean sounds that feels instantly calming, and it’s not just in your head. Science shows that listening to the sea actually changes the way your brain works. Here’s how those ...

Sleep in fish may look different from humans, but rest is essential for survival. Here’s what experts have to say about fish sleep. A protective mucous cocoon surrounds this parrotfish as it sleeps in ...

A large group of yellowfin tuna swimming off the coast of Italy. Like all fish, they sleep, but it's not like human sleep. Giordano Cipriani/The Image Bank via Getty Images From the goldfish in your ...