If an asteroid is on a collision course with the moon, what should humanity do? Try to nudge the space rock out of the way before it strikes? Obliterate it with a nuclear explosion? Such a cosmic ...

For once, Earth isn’t the one in the crosshairs. NASA scientists have confirmed that a fast-moving asteroid first spotted by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in Chile could ...

Under ideal conditions, about 25 Quadrantid meteors would be visible per hour, according to NASA. While the meteors are known to lack persistent tails, they often produce bright fireballs, which are ...