"At first we had no idea what it was because sharks were not supposed to make any sounds." Scientists had always thought that ...

we recovered the opposite pattern: Megalodon teeth are relatively weaker than the most gracile teeth of other megatooth sharks." The team found that the region of the shark’s tooth placed under the ...

The marks match a trace fossil type known as Knethichnus parallelum, a pattern of parallel grooves made when serrated shark teeth scraped across a surface. These scars on Megalodon teeth suggest ...

Researchers long believed sharks to be silent animals based on their anatomy, but unprecedented evidence shows the rig shark ...

A rendering of Clavusodens mcginnisi, or “McGinnis’ nail tooth,” an ancient shark that stalked the ocean floor 340 million years ago. Rendering courtesy of the National Park Service A shark ...

Rows of these teeth emerge from gum tissue, reminding her of stones set in a mosaic. In a first, researchers have recorded what could be a shark making deliberate sounds. A small shark from New ...

The giant extinct shark species known as the megalodon has captured the interest of scientists and the general public alike, ...

This “chipmunk shark” packed quite a punch with its strange set of teeth. Its diet varied from shrimp to worms to hard-shelled brachiopods — generally crunchy things. The discovery ...

(Graham Thompson/CBC) A Saint John auction house has opened online bidding on a collection of megalodon shark teeth that are millions of years old. Sarah Jones, curator at Jones Auction House ...

The findings, published in the journal PLOS One, showed that shark sightings displayed "distinct" seasonal patterns ... blacktip shark and ragged-tooth shark sightings increased; tiger shark ...