An asteroid twice as big as the bolide that exploded over Russia in 2013 will whiz by us next week at a distance that's closer to Earth than the moon. Despite what tabloid headlines might lead you to believe, small asteroids zip by the Earth on a fairly regular basis... and astronomers discover many of them when Earth is already in their rear-view mirror. Asteroid 2019 EA2 could be up to 128 feet (39 meters) wide. It's the rare rock making a close flyby that's also large enough that astronomers spotted it well in advance. The asteroid, detected earlier this...