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 ...

The Greenland shark, Earth’s longest-living vertebrate, can survive for up to 400 years in the icy depths of the Arctic and North Atlantic. Its slow growth, delayed maturity, and unique adaptations ...

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A closer look at what defines a shark. Sharks and rays come from one big family that evolved over 400 million years ago. Today they come in a variety of shapes and sizes. But with 510 species of shark ...