Is your cat showing signs of boredom? Understimulation can lead to destructive behavior, excessive sleeping, and even stress.

Archaeopteryx, long considered the earliest fossil bird, could be knocked off its perch by Baminornis zhenghensis, which ...

Scientists have unearthed in southeastern China the fossil of a quail-sized bird that lived about 150 million years ago ...

Orangutans can live around 35-40 years in the wild, while the oldest orangutan to live in captivity died at age 62, according ...