Photo of the Day

What exactly is a silver fox?

Researchers find 'Dory' — in a lab

Why do pupils come in different shapes for different species?

5 ways to help coral reefs today (no matter where you live)

5 fascinating facts about birdsong

How hummingbirds use spider silk to build better nests

Swordfish lubricate themselves with oil to gain speed

Bees have trouble foraging when air pollution rises

Dashing fluffy foxes finish first in nature photo contest

How frigatebirds can fly nonstop for weeks on end

5 ways dogs are used for species conservation

Adelie penguins likely to experience significant decline by end of century