Billions of years ago, another planet smashed into Earth. An event of this epicness could have created our Moon. It also ...

The idea of an asteroid hitting Earth can be a scary one, but it can be pretty hard to comprehend just how scary such an impact might potentially be. To put things in context, many people who have ...

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth billions of years ago and sending chunks hurtling into space that ultimately coalesced. But what was ...

In April 2029, a potentially dangerous asteroid the size of a skyscraper will fly by Earth, sailing closer to us than even some of our own satellites. It’s going to be one heck of a spectacle for ...

The giant asteroid Apophis will make a historically close approach to Earth on April 13, 2029. Scientists have ruled out any risk of Apophis hitting Earth for at least the next century. The 2029 flyby ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Artist’s conception of the view from the surface of the ...