Satellite systems use an artificial object placed in outer space, moving in a specific orbit, to provide services such as communications, Earth observation, navigation, or scientific research.

Europe is a world leader in the fight against climate change but must do more to improve its resilience against global ...

A new find in the Ayvalık region of western Turkey suggests that prehistoric humans somehow "walked" across what is now a deep body of water.

We trace the Cold War-era Warsaw Pact plan known as Seven Days to the River Rhine, a scenario for a rapid Soviet strike into Western Europe. Using Google Earth, we follow the projected routes, key ...