We can’t make any promises, but there are quite a few destinations along the Front Range where bald eagle sightings are ...

Painter William Birch moved to Philadelphia from England in 1794 and made a name for himself for his exquisite enamel copies ...

Close-up Photographer of the Year is open to all. The annual competition delivers another stunning selection of images from ...

Our devastation of nature is so extreme that reversing even a small part of it requires painstaking, quixotic efforts.

The Philadelphia Eagles are sending Ryan Quigley to the Super Bowl. It will likely be his last visit to New Orleans. Here's ...

Bats in the noctilionoid group, like Darwin’s finches, have evolved an impressive variety of jaw and tooth adaptations to suit their diverse diets. From fruit to fish, these bats have rapidly changed ...

When this spiral rotates to create the illusion that the bird is moving forward, the bird shifts into “reverse gear”—and its beak slips out ... when it flies in front of different background ...