A fridge-size space rock spectacularly broke apart over Ohio at 40,000 mph, creating a loud boom and a rare "fireball" that ...

Residents across northeastern Ohio received a rude—or at least extremely unexpected—wake-up call this morning. According to ...

What would really happen if a star exploded close to Earth? A nearby supernova is one of the most powerful events in the universe, capable of releasing more energy in seconds than our Sun will in its ...