The chain catshark may look like any other shark in daylight, but under blue light, its skin glows neon green. Here’s a breakdown of this remarkable adaptation.

The warming world has disrupted the timing for plant and animal reproduction, and it's usually bad news for species that depend on each other—like flowers blooming too early and pollinating bees ...

Gulls are often seen as intruders in our daily lives. But researchers are discovering what really motivates them—and ...