Just before 4 a.m. earlier this summer, the dark skies over Arizona were dramatically lit up by a visitor from outer space! Fifty-seven miles up in the sky, a big fireball HURTLED through our atmosphere on June 2 and was visible to most of Arizona. At some point, the fireball broke up, putting on a brilliant display of smaller lights as if some sort of fireworks just went off. NASA tracked our super bright visitor, calling it an asteroid that slammed into our atmosphere at about 40,200 mph! Meteorite experts estimate the asteroid was about...Read more