Asteroids and satellites, oh, my! Two reports warn us to cast a wary eye above as space debris—natural and man made—drops from the sky. But don’t over-fret: Odds of getting hit are very small, though experts warn that the right-size asteroid would cause major damage.
What happens when planetary bodies go rogue? Well, that’s one universal mystery that scientists didn’t actually know of until a team of Japanese researchers claimed to have found 10 such free-range roamers—and what’s more, they might be shockingly common in space.