Earth With Two Moons: Maybe Not Just Science Fiction

There’s a new hypothesis that the earth once had two moons. It accounts for weirdness with the moon’s formation, and inspires stories too.

Asteroid YU55 Passes Close to Earth Tonight

Here we go again: another asteroid passing very close to earth. This one, YU55, is set to shoot past Earth and Moon on 11/8/11. Don’t worry, though: we’re not imitating a disaster movie this time around.