What if the biggest asteroid hit Earth? This video explores the potential consequences of a massive asteroid impact, including its effects on the planet's environment, climate, and life forms. It ...

The Apophis asteroid, once feared to hit Earth, is less than three years from making an unprecedented approach toward Earth.

The threat of a civilization-ending asteroid hitting the Earth is well-known — as a plethora of Hollywood movies on the subject has demonstrated. But there is a less-known threa ...