Butterflies, which play an essential role in the ecosystem, are vanishing from the U.S. landscape at an alarming rate.

One year ago, a team of earnest conservationists released a few dozen silvery blue butterflies at the Presidio, hoping they ...

Biologists waded through knee-high vegetation in Florida until they reached a spot where purple flowers grew in cone-like ...

Life cycle playdough mats ended up being one of our favorite ways to explore science at home. My son would get completely focused—rolling tiny eggs, squishing larva, and proudly showing off each stage ...