The Semipalatinsk Test Site, also called the Polygon, is lesser known but was used by the Soviet Union to test nuclear ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Researchers were able to confirm their findings four years after they first made the groundbreaking discovery.

Check out these amazing 4K scenes from around Western Europe - including France, Germany, the Netherlands and Monaco - filmed by the talented drone pilots from the AirVuz community. Specific flying ...