Citizens of San Francisco are stunned by the news that Robert Ironside, the city's hard-nosed, tough-talking chief of detectives, has been shot and left for dead while vacationing at his friend ...

Wind turbines spin behind a solar energy park near Prenzlau, Germany. (Credit: Sean Gallup/Getty Images files) Global evidence is clear: Adding more solar and wind to the energy supply pushes up the ...

The Advantages of Dark Fur The absence of patterns and shiny coats likely assisted these mammals with camouflage and allowed them to blend in more easily with their surroundings. Additionally, it’s ...