Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

During the Early-Middle Devonian period, a large landmass called Gondwana—which included parts of today's Africa, South America, and Antarctica—was located near the South Pole. Unlike today's icy ...

Over a million species of animals and plants are now hanging by a thread, more than ever before in human history, says the International Science-Policy Platform on Biodiversity and Ecosystem Services ...

For the first time in years, leatherbacks have returned to nest in significant numbers on the Pacific coast of Nicaragua.