Megalodon was likely a long, streamlined predator, not a bulky giant. Scientists compared its bones with modern sharks.

A new study shows that the mere presence of poop prompted the crustaceans to launch into evasive maneuvers. New research ...

Warning signs about shifts in key food sources for fish are beginning to be observed in marine ecosystems worldwide.

Just when scientists think they’ve seen it all, the ocean proves them wrong. In a surprising discovery, researchers have found a tiny but powerful predator roaming in the depths of the Atacama ...

New findings suggest the evolution and behavior of at least some baleen whales has been significantly shaped by fear of orca attack.

Getty Images/iStockphoto Months after endangered gray nurse shark Mary-Lou was seen participating in mating activities in an Australia aquarium, the ocean predator welcomed a “surprise” pup ...

New research reignites debate over the size of this extinct giant, also suggesting it looked unlike a great white ...

With his magnificent underwater images, Gerardo del Villar wants to rehabilitate the reputation of the ocean’s great ...

The study suggests that even the faintest hint of penguin droppings in the water is enough to prompt krill into escape behavior.

Two Russian divers were reported missing off a popular resort in Batangas province in February. The following day, news reports said they were found dead and were attacked by sharks. Later, autopsy ...

Rhythmic clicks, grunts and roars fill the Año Nuevo Island Reserve in California, home to a large breeding colony of ...