Add Yahoo as a preferred source to see more of our stories on Google. VIRGINIA BEACH — One of the most fearsome predators to rule the seas millions of years ago may have left something behind at ...

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 ...

PORTLAND, Maine (AP) — 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 ...

Terry Siviter and his 5-year-old grandson, Jackson Fox, recently found a shark tooth on the beach there. Scientists think it could have belonged to a megalodon, an extinct shark, that lived in the ...