New research shows butterfly populations have fallen dramatically over the past two decades, but there’s a lot you can do to help these fluttering flower-lovers, even if all you’ve got is a ...

YOU must be a genius if you can find the hidden butterfly in this latest optical illusion. Puzzle solvers have been challenged to crack this challenge in less than seven seconds. Everyone can see ...

ST. PETERSBURG, Fla.— In a legal victory for the Center for Biological Diversity, the U.S. Fish and Wildlife Service today agreed to decide this summer whether to protect the Puerto Rico harlequin ...