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 ...

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

The Egyptian government should accept, and take urgent action to carry out recommendations made during a United Nations ...