Photo of the Day

A silver fox stands near the road in a park
July 22, 2016, 7:07 a.m.
Many people think this dark-haired fellow is a separate species of fox, but there's something tricky happening here.
captive-bred Pacific blue tangs, 55 days post-hatch
July 21, 2016, 1:05 p.m.
Pacific blue tang is bred for the first time in captivity.
Grey mouse lemur
July 21, 2016, 7:07 a.m.
The world's tiniest primate has just cleared early humans of a 50,000-year-old mystery.
Red wolf (Canis rufus)
July 20, 2016, 7:03 a.m.
When it comes to saving a near-extinct wolf species, you can't please everyone.
Close-up of a gecko eye
July 19, 2016, 7:12 a.m.
From vertical slits to horizontal dashes to W-shaped curves, pupils reveal something about an animal's niche in the environment.
Coral reef with fish
July 18, 2016, 7:01 a.m.
Coral reefs are home to a quarter of all marine life on Earth, and they need our help.
bird in grass
July 15, 2016, 6:30 a.m.
There’s so much more to the songs of our feathered friends than meets the ear.
A female humpback is chased by several males in the Pacific Ocean during an instinctual mating ritual known as a "heatrun."
July 14, 2016, 6:02 a.m.
As the gentle giants bounce back from near extinction, they extend their range into more southern waters.
A female hummingbird incubating eggs
July 13, 2016, 11:36 a.m.
Spider silk is one of nature's most amazing materials, both strong and flexible — and hummingbirds know how to use it.