Sperm whales dive into the midnight zone, using echolocation to track giant squid, returning scarred breathing hard, alive at ...

A new research study found that well-managed fisheries can support the recovery of large marine predators such as seals and ...

The video explores how certain marine predators would behave if introduced into freshwater ecosystems. Visual sequences show ...

About 360 million years ago, a huge armored fish patrolled a shallow sea that once covered what is now Cleveland. This animal, known as Dunkleosteus terrelli, has long held a place among the most ...

Purple sea urchins, beware: There’s a purple urchin-eating predator on the horizon — and its name is the sunflower sea star. That’s the plot line coming from a small upstart research facility in Moss ...

Trawlers off Taiwan caught a deep-sea predator with “very large” eyes and discovered a new species, a study said. Getty Images/iStockphoto Around an island off mainland Taiwan, shrimp trawlers hauled ...

A massive sea creature was spotted off the coast of California, officials said. Getty Images/iStockphoto A massive sea creature was spotted off the coast of California and onlookers are calling it a ...

Deep below sunlight, a rarely seen frilled shark reveals ancient anatomy, slow reproduction, and mysterious habits, offering scientists fleeting clues about evolution, survival, and fragile ecosystems ...

Trawlers caught a green-eyed baby shark, a poorly known predator, off of Albania for the first time, a study said and photos show. Photo from Getty / iStock photo Off the coast of Albania, trawlers ...