A planet as hefty as Saturn wanders the galaxy in exile

Astronomers have confirmed for the first time with direct evidence that a lone, starless world is actually drifting through the Milky Way. Though scientists have documented a dozen of these so-called "rogue planets" in the past decade, this one isn't merely an educated guess based on a handful of clues. By catching the same brief cosmic alignment from Earth and space, researchers were able to directly measure the celestial object’s mass. In doing so, they found this orphan is wit