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 ...

Five zebra shark pups were born in April, conservationists announced, part of a cohort of 24 hatched this year to restock the wild population in Indonesia’s Raja Ampat archipelago. The ...