Sharks
Latest about Sharks
![Silhouette of a shark as seen from below water, looking up at the surface.](https://cdn.statically.io/img/cdn.mos.cms.futurecdn.net/GqqsFG3xzSP3cSbgCeGNKF-320-80.jpg)
7 unanswered questions about sharks
By Laura Geggel last updated
Ask any shark biologist a question about sharks, and chances are, the answer might begin with, "We're not really sure…"
![A cookiecutter shark swims beneath a bluntnose sixgill shark with a bite mark on it.](https://cdn.statically.io/img/cdn.mos.cms.futurecdn.net/QoUrN9uaFqr7G772RwxYia-320-80.jpg)
20 of the weirdest sharks
By Stephanie Pappas last updated
Sharks have been around for over 450 million years and have gained some pretty strange traits in that time.
![A coral catshark (Atelomycterus marmoratus) rests on a bed of corals in Indonesia with its eyes wide open, but is it sleeping?](https://cdn.statically.io/img/cdn.mos.cms.futurecdn.net/fH2CTAbJpYGycV3jgxgp95-320-80.jpg)
Sharks do actually sleep, and sometimes with their eyes wide open
By Harry Baker last updated
A new study has provided the first evidence that sharks are capable of catching some zzz and has revealed that they can do so without closing their eyes.
![Greenland shark swimming, Somniosus microcephalus isolated on black background.](https://cdn.statically.io/img/cdn.mos.cms.futurecdn.net/3t8Er88dZi2xGxQCoDWmRg-320-80.jpg)
20 times sharks made our jaws drop
By Kimberly Hickok, Stephanie Pappas last updated
Here are our favorite stories about sharks, from an ancient Greenland shark to a behemoth "queen of the ocean."
![A great white shark looking directly at the camera](https://cdn.statically.io/img/cdn.mos.cms.futurecdn.net/ZhiCPJJVnexUpJY7oYMeKF-320-80.jpg)
Sharks: Facts about the ocean's apex predators
By Michael Dhar published
Sharks are a diverse group of often-misunderstood fish. Learn more about these predators, including their evolution, habitat, diet and behavior.
![In an artistic reconstruction, Otodus megalodon feeds upon an ancient swordfish millions of years ago. A puncture injury may have caused the abnormal development that scientists documented in the big shark's tooth.](https://cdn.statically.io/img/cdn.mos.cms.futurecdn.net/QqnwZzv3utZstTiERrU6VA-320-80.jpg)
What caused this massive megalodon’s mega-toothache?
By Mindy Weisberger published
A malformed megalodon tooth hinted at an injury that caused it to develop with a split down the middle.
![Plumes from underwater volcanic activity contained sulfur and rock particles.](https://cdn.statically.io/img/cdn.mos.cms.futurecdn.net/VjD8dVrphFVghzQw9tQkkA-320-80.jpg)
Undersea 'sharkcano' eruption captured in spectacular satellite images
By Jennifer Nalewicki published
A NASA satellite recently spied the underwater eruption of a submerged volcano where sharks make their home.
![Calvert Marine Museum shark fossils](https://cdn.statically.io/img/cdn.mos.cms.futurecdn.net/CymwjRBTgDpasBHKnbkFET-320-80.jpg)
World's 'shark tooth capital' teemed with even more extinct species than we knew
By Ailsa Harvey published
Florida is sometimes referred to as the "shark tooth capital of the world," and new research documents the now-extinct species that have been discovered there.
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