Sharks are some of the ocean's top predators. In fact, sharks and their relatives were the first vertebrate predators on Earth. Shark fossils date back more than 400 million years -- that means sharks ...

More than 100 million years ago, scientists say, warming seas and reduced oxygen may have sent some sharks higher into the water column, where they evolved to be fierce and hungry. By Jeanne Timmons ...

Research has shown that pelagic sharks tend to have longer, narrower fins compared to their benthic relatives, which typically possess shorter, rounded fins. A key to understanding how sharks navigate ...

"Sharks are the top predators in many marine ecosystems. But tales of the killer instincts and fearsomely sharp senses of these hunters can obscure their full life histories. In fact, sharks are ...

Scientists have come one step closer to unraveling the age-defying secrets of the world's longest-living vertebrate: the Greenland shark. Understanding the biological mechanisms that facilitate this ...

A Pelagic thresher shark (Alopias pelagicus) cruising the Monad Shoal seamount near Malapascua Island, Philippines. These pelagic deep water sharks come up to the seamount's shallower part to get ...

AMHERST, Mass. – Ground-breaking 3D interactive shark imagery created by a University of Massachusetts Amherst biology professor is powering a new World of Sharks website launched by the Save Our Seas ...

Deep-sea fossils have long fascinated scientists, offering glimpses into the ancient past and revealing the mysteries of prehistoric life. Recent discoveries of shark fossils in deep-sea environments, ...

Greenland sharks are thought to have lifespans that can reach 400 years. Building upon previous work, University of Tokyo-led researchers have now sequenced a chromosome-level genome of the Greenland ...