Puma returns to rain forest after 20 years in chains
November 24, 2015, 7 a.m. by Russell McLendon
A new video captures the elderly cat's first moments of freedom in an Amazon forest reserve.
The Dutch town of Monster built a bridge that doubles as a bat habitat
October 27, 2015, 12:54 p.m. by Matt Hickman
And just in time for Halloween, no less.
Which U.S. states have the most endangered species? [Infographic]
September 21, 2015, 11:50 a.m. by Russell McLendon
Here's a graphical glimpse at America's most endangered wildlife, where they live and how many are left.