"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...

The likelihood of 2024 YR4 colliding with the our planet in 2032 have ticked up to over 3 percent. Is it time to start ...

The chance that an asteroid capable of wiping out a city will hit Earth in eight years has been cut in half to around 1.5%, ...