Earth Day activities in Las Vegas included the unveiling of winning student artwork selected to appear on the Exosphere of ...

The Sphere in Las Vegas gets some homegrown imagery ... Her drawing of the Earth humanized the globe with a pair of pensive eyes. Winning elementary and middle school students get a $10,000 ...

Wiz Khalifa has been talking about his theory on the shape of the Earth, as he reckons we're living on a 'flat plane' despite ...