PaleoCris and I teamed up with our friend Rick to explore a Florida creek site we rarely get to hunt. The trip paid off with colorful shark teeth, juvenile Megalodon teeth, and some incredibly rare ...

From palm-sized Megalodon teeth to rare fossil gems, this hunt delivered everything we dream about. These are hands-down the best shark tooth finds we’ve ever pulled out of Florida. Every discovery ...

VIRGINIA BEACH — One of the most fearsome predators to rule the seas millions of years ago may have left something behind at Virginia Beach’s North End. Terry Siviter and his 5-year-old grandson, ...

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 ...

One of a blacktip reef sharks’ top teeth as seen under a scanning electron microscope. CREDIT: Maximilian Baum (HHU) / Steffen Köhler (HHU). Get the Popular Science daily newsletter💡 Breakthroughs, ...

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 ...

Ghost sharks have evolved rows of true teeth on a bizarre forehead rod used for mating. Fossil and genetic evidence revealed the tenaculum’s teeth develop the same way as those inside the mouth, ...