ST. LOUIS (KTVI) – A comet spanning roughly 2,000 feet landing in the heart of St. Louis could cause a crater nearly 4 miles wide and an earthquake felt as far as 116 miles away, according to an ...

When we think of planet killer asteroids, survival odds might seem slim. But we aren't defenseless.

Long before oceans teemed with life, Earth endured relentless violence. Asteroids slammed into its surface again and again, reshaping the young planet.

The Silverpit Crater lies 700 metres (2,300 feet) beneath the North Sea floor. It spans around 3 kilometres (1.9 miles) ...

The space rock has a 4.3% chance of striking the Moon in six years—and it could generate a flash nearly as bright as Venus. Reading time 2 minutes A large rocky asteroid will make a close approach to ...

An asteroid estimated to be taller than the Empire State Building is expected to safely pass Earth this Saturday and will be ...

When NASA’s DART spacecraft deliberately crashed into the asteroid moonlet Dimorphos, it did more than change the asteroid’s local orbit — it slightly shifted the path of the entire asteroid pair ...