These top predators eat smaller animals, balancing the populations of fish and other marine life. For example, sharks protect ...

Megalodons have been portrayed as gigantic great whites, but new research suggests they were more svelte and less agile ...

Over the last half billion years, sharks have left behind a diverse fossil record of biological innovation and experimentation, but it’s limited almost entirely to fossilized teeth and jaws. While ...

As Jaws celebrates its 50th anniversary, Science News explores the vast range of shark sizes, from megaladon to the dwarf lanternshark.

Life Sharks aren’t silent after all. A species of houndshark called Mustelus lenticulatus makes sharp clicking noises when handled. Until now, sharks as a group were thought to be universally quiet ...