The Upsweep is an unidentified sound detected by the NOAA, first recorded in August 1991. Almost siren-like, the Upsweep is ...
Researchers have known for centuries that some fish make sounds. Now, using special underwater acoustics, researchers have ...
The Portuguese man-of-war looks like a jellyfish but isn’t one. Learn where it’s found and what to do if you encounter one.
Research suggests that dolphins develop a lifelong vocal “name.” Here’s how they evolved this high level of social identity, once thought to be uniquely human.