The ocean is one of the least explored places on Earth, yet it is home to some of the most incredible life forms ever ...

A new documentary from cinematographer Andy Casagrande captures great white sharks at Guadalupe Island and South Africa's ...

Hidden in the lightless depths of the ocean, the anglerfish has evolved one of the most terrifying hunting strategies in ...

Most predators slow down when ocean temperatures shift. Great hammerhead sharks don't—not significantly anyway. These ocean predators are masters of the "thermal hustle," maintaining peak hunting ...

A jaw tip worn down by nearly a tenth does not sound like much until you picture what it means. Chipping, cracking, scratches and polish do not appear on their own. Something was hitting back. That is ...

Mesothermic animals occupy a middle ground between cold-blooded and warm-blooded species. Mesotherms are able to generate and retain some body heat while still relying partly on their environment.

Prochlorococcus are the smallest and most abundant photosynthesizing organisms on the planet. A single Prochlorococcus cell is dwarfed by a human red blood cell, yet globally the microbes number in ...

A group of apex predators was seen off the coast of California, a company said. Getty Images/iStockphoto The ocean’s top predator was seen on the hunt for its next meal off the coast of California, ...

While many people are scared of sharks thanks to their rows of razor-sharp teeth, the changing waters might be rendering the creatures from “Jaws” a little less fearsome. Growing acidity in the ...

Marine biologists capture groundbreaking footage of the rare goblin shark, a living fossil, in its deep-sea habitat, ...