Big predators are showing up in surprising places more often. (That's a good sign.)
May 9, 2018, 3:30 p.m. by Russell McLendon
Conservation efforts are helping some large predators reclaim ancestral habitats, a new study finds.
This rare songbird is back from the brink, thanks to the Endangered Species Act
April 16, 2018, 8:27 a.m. by Russell McLendon
The Kirtland's warbler was nearly extinct in the 1970s, but now it's fully recovered, conservationists say.
North America has millions of utility markers. This biologist sees millions of birdhouses.
April 8, 2018, 10:47 a.m. by Russell McLendon
The patented Nesting Post targets bird species in need of habitat.
The moment this street dog recognizes his long-lost owner is pure joy
These California succulents are at the center of a massive smuggling ring
6 weird things dogs do when they poop
Why is American cheese falling out of fashion?
12 optical illusions that will blow your mind
In 1972, a computer model predicted the end of the world — and we're on track