Two Guam kingfisher chicks that hatched at the National Aviary in Pittsburgh are part of a program to help restore the bird ...

Extinct animals coming back: A real-life “Jurassic Park” style effort is quietly taking shape, as scientists push forward with plans to bring extinct species back to life, and the woolly mammoth is ...

My inbox started filling up with the supposedly groundbreaking news early Tuesday, breathless news articles about a biological breakthrough that will allow a long-extinct giant bird to walk the Earth ...