More space technology must be developed to prevent "city-killing asteroids" from hitting Earth, experts recommended at a recent science conference. While the risk is low, mid-size asteroids near Earth ...

The curious minds at What If explore what would happen if the worst asteroids from the past hit Earth tomorrow.

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 ...

Here’s one less thing to worry about: Scientists have confirmed that NASA is even better than it thought at protecting us from asteroids. Despite doomsday movie plots about Earth-ending collisions, a ...