Technology and research have evolved to include in-depth analysis and techniques that were nothing more than pipe dreams a few decades ago. As a result, the off-world discoveries scientists have been making in recent years border on fantastical. Still, they are as real as can be — most of them anyway.
From the gaseous river of a frozen moon to black holes that are big enough to swallow small galaxies, these are the mysterious discoveries of outer space that you won’t be able to see while traveling aboard Richard Branson’s Virgin Galactic spacecraft.