Scientists tracked the movements of a large pregnant porbeagle shark for months. Then, its tag floated to the ocean surface, ...

Male grey nurse sharks become quite excitable around their female mates, but they are terrible breeders. Find out why and see the their incredible mating ritual.

Tracking data from a pregnant porbeagle shark near Bermuda suggest it was eaten by a great white shark – a kind of predation ...

“Two endothermic predator candidates large enough to predate upon mature porbeagles are located within the vicinity and at ...

Habitat loss, overfishing and their fate as bycatch in fishing nets have threatened porbeagle shark populations. Northwest Atlantic porbeagle sharks are listed as vulnerable on the International Union ...

In the animal kingdom, survival usually trumps morality. Cannibalism is surprisingly common among tiger sharks, green and ...

This is the first such situation in the world. Scientists tracking the pregnancies of porbeagle sharks have evidence that one ...

Marine biologist Brooke Anderson simply could not believe her eyes. Something was off about the data from a satellite tag that she had placed on a pregnant, seven-foot-long porbeagle shark (Lamna ...

There are all sorts of creatures lurking in the oceans, seas, and even rivers of planet Earth. From funky, purple sea slugs ...

Why it's incredible: The patch of ocean is a gathering spot for great white sharks, and scientists don't quite understand why ...

SHARKS are trekking thousands of miles to an unusual vacation spot, and their behavior is puzzling scientists. The sand tiger shark is a large, bulky species that can grow up to 12 feet long and ...

Scientists have recorded the first instance of a shark preying on another shark. A pregnant porbeagle tagged off Cape Cod was ...