Clicklike noises made by a small species of shark represent the first instance of a shark actively producing sound ...

Ever wonder why sharks have so many differently shaped teeth or why they keep regrowing throughout their lives? Dr. David ...

Based on a partial 36-foot (11-meter) fossilized megalodon vertebral column (spine) previously unearthed in Belgium, the team investigated how big the shark’s other body parts might have been.

The now-extinct megalodon shark may have been larger than first believed, reaching lengths of 80 feet (24.3 meters), according to a new study published in Palaeontologia Electronica last week. This is ...

This is a close up of the venomous dorsal-fin spine in a lanternshark (Etmopterus). Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

“Complete shock” was just one of the emotions a group of divers felt when a five-metre-long great white shark eyed them in waters off the coast of Bali. Video of the encounter shows the lone ...