The goblin shark (Mitsukurina owstoni) is among the most unusual and least understood predators in the ocean. Deep-dwelling, rarely encountered, and visually distinctive, the species has drawn ...

Based on its whimsical name, it’s easy to assume that the cookiecutter shark is cute and gentle. However, nothing could be further from the truth. In fact, the name “cookiecutter” doesn’t refer to the ...

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.