Kenneth Arnold's 24 June 1947 sighting of nine strange objects over the Cascade Mountains in Washington State gave rise to the term "flying saucer". While people have seen strange things in the sky throughout human history, Arnold's sighting marked the genesis of the modern UFO mystery. 70 years on, the mystery remains unsolved, despite some die-hard debunkers claiming that the phenomenon is dead, and despite some true believers stating that the...

Via Yahoo News We hear a lot about Mars, Jupiter, and Saturn, and that’s because we have extremely fancy hardware floating around and, in some cases, cruising on the surface of those planets. The planets that lie further away from the Sun don’t get nearly as much attention, but they may soon, as NASA is currently spitballing some missions that will give us a better look at Uranus than we’ve ever gotten. The theoretical missions, which...