When a scientist received a video of a spotted hyena in the southern part of his country, he thought someone was playing a ...

Studies of sediment cores from the sea floor and the coastal regions surrounding the Aegean Sea show that humans contaminated the environment with lead early on in antiquity. Geoscientists conducted ...

The remains of Alexander the Great may lie under the streets of Alexandria, they may have been "eaten by a shark," or they ...

Rivers began pumping weathered material into the sea about a billion years after Earth formed, suggesting continents may have gotten an early start.