Most of the Earth’s surface is ocean. Life began there. But marine life accounts for only 15 percent of the world’s species.

The Arctic can stay perpetually dark for months. Reindeer cope by changing part of their eyes from gold to blue.

Deciphering the behavior of cephalopods can be messy.

Pigs have a track record of hosting flu viruses that jump to us.

Each year, half a million horseshoe crabs are captured and bled alive to create an unparalleled biomedical technology.

Some researchers believe that the microbiome may play a role in regulating how people think and feel.

The “elaborate detour” of having fun pays cognitive dividends.

A team of scientists wants to accelerate research into a genetic disorder by using CRISPR to copy unique mutations from affected children into pigs.

By fragmenting forests and killing off individuals, humans are stopping the flow of ideas among our closest relatives.