Some male “ghost sharks” have a bizarre way of giving love bites: They use teeth that sprout from their foreheads. These otherworldly animals, also known as spotted ratfish, can grab onto mates using ...

PORTLAND, Maine — Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But changes in the ocean's chemistry could put those ...

The famous ocean predators are among the world's oldest living creatures-some species date back to the Jurassic period-but climate change could threaten their existence as we know it. Many of us ...

How will the climate crisis affect one of the ocean’s fiercest predators? New research published Wednesday has examined what might happen to sharks’ highly specialized, flesh-cutting teeth. As carbon ...

Bull sharks (Carcharhinus Leucas) are one of the ocean’s most fearsome creatures. Although some animals may prey on bull sharks, such as crocodiles, killer whales, and the occasional great white shark ...

Even sharks’ famous tooth-regrowing ability may not save them from ocean acidification. Researchers found that future acidic waters cause shark teeth to corrode, crack, and weaken, threatening their ...

Editor’s note: Every year, hundreds of undergraduates at the University of Delaware pursue research under the guidance of a faculty mentor. Such experiences provided by UD — a nationally recognized ...

West Ashley resident Larry Taylor found his largest shark tooth about 20 miles inland on a golf course. The tooth is almost 3 inches long, with its serrated edges still intact. He’s found other, ...

It’s a sought after coastal souvenir, one that has beachgoers stooped over scanning the sand for the black, triangular shape that is the shark’s tooth. Social media is filled with Facebook groups ...