Photo of the Day

For English bulldogs, the gene pool has nearly dried up

Wildlife rangers put their lives on the lines with little support

Jupiter's famous red spot is insanely hot! Scientists probe for explanations

Battered mangroves find reprieve in Sri Lanka with new conservation plan

Can conservationists bring the common loon back to Massachusetts?

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