Antarctic penguins are breeding earlier than ever recorded, with gentoo penguins showing the most dramatic shifts as warming accelerates along the Antarctic Peninsula. Earlier breeding can create ...

Macaroni penguin in huge colony with snowy mountain in the background, blue sky, South Sandwich Islands, Antarctica© MZPHOTO.CZ/Shutterstock.com In one of the most remote and harsh environments on ...

The Doomsday Clock is now the closest it has ever been to midnight. Scientists have set the symbolic Clock at 85 seconds to midnight, issuing a dire warning about the apocalyptic danger of nuclear ...

Earth is closer than it's ever been to destruction as Russia, China, the U.S. and other countries become “increasingly aggressive, adversarial, and nationalistic,” a science-oriented advocacy group ...

Ancient rocks in Sweden are acting like a “rock clock,” helping scientists finally pin down when major Cambrian climate changes happened.