Jason Dill doesn't drive. He walks. So on Christmas morning in Ventura, California, last year, he woke up at the usual time—around 7 a.m.—stepped out his door and hoofed it the mile to Starbucks for a ...

For centuries, humanity has been captivated by the idea of finding extraterrestrial intelligent life beyond our planet. In many ways, this is a consequence of astronomers discovering that the planets ...