The goblin shark (Mitsukurina owstoni) is among the most unusual and least understood predators in the ocean. Deep-dwelling, ...

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, ...

Climate change is causing the oceans to become notably more acidic. This could become a problem for sharks, as a team of biologists headed by Heinrich Heine University Düsseldorf (HHU) has discovered.