Mysterious "golden stars" that pulsate in a fractal way have scientists stumped. Although these stars were spotted during a search for an extraterrestrial galactic Internet, the researchers say ...

The variable stars flickering to the golden ratio are RR Lyrae — a class of pulsars first found in the constellation Lyra (bisected by the Milky Way here) Alan Dyer, Inc/Visuals Unlimited/Corbis The ...