All posts by Jason Bittel

Sleep in fish may look different from humans, but rest is essential for survival. Here’s what experts have to say

The eastern U.S. is about to be inundated with trillions of Brood XIV periodical cicadas—which were first documented by the

A new study proposes that the massive ancient shark was built more slenderly than a great white. But not all

Bao Li and Qing Bao will soon go on display at Smithsonian’s National Zoo in Washington, D.C., possibly signaling a

Stag beetles have their sumo matches. Female fireflies who murder their mates. These are some of our favorite mating behaviors

First observed in the 1980s, the fad of orcas swimming around with dead salmon on their foreheads off Washington State

With Moo Deng's adorable behavior and panicked expressions going viral, experts weigh in on this lesser-known hippo species evolved from