December 9, 2016, 2:15 p.m.
The discovery offers new insights about dinosaur plumage, hinting at a 'chestnut brown' creature that couldn't fly.
December 8, 2016, 12:50 p.m.
There are more than 450 bird species in Canada but until now, there was no national bird.
December 7, 2016, 1:12 p.m.
The rift is expected to create an iceberg the size of Delaware.
December 5, 2016, 12:15 p.m.
Activists relish the victory, but many of them still aren't leaving.
November 30, 2016, 11:13 a.m.
A large herd in Alaska has seen its population drop by 50 percent over the last three years.
November 29, 2016, 3:18 p.m.
This small sparrow faces sea level rise and human encroachment, and could disappear within decades.
November 28, 2016, 11:58 a.m.
The claws of the world's largest arthropod can crunch down with as much as 740 pounds of force!
November 23, 2016, 8:10 a.m.
Why people are protesting the Dakota Access Pipeline.
November 22, 2016, 12:02 p.m.
Two Zoo Atlanta pandas aren't fans of Chinese food and don't respond to the Chinese dialect.