Scientists suspect it might be raining diamonds on Neptune and Uranus. Evidence of opal on Mars hints at a watery past. Outside our solar system, there may be rubies and sapphires too. But the gems that form within Earth still might be the most dazzling. ...read more
At least five major ice ages have been documented in Earth's history. And guess what? You're living in an ice age right now. But don’t expect the planet to chill over from pole to pole. ...read more
Pyramid workers were paid locals. Yet historical narratives and Hollywood films have made many believe the Jews built the pyramids while enslaved in Egypt. ...read more