If a scary asteroid will actually strike Earth, here's how you'll know

On April 13, 2029 (which happens to be Friday the 13th), something unsettling will happen. A decent-sized asteroid, the 1,100-foot-wide Apophis, will pass so close to Earth it'll be visible in the sky from certain places. Crucially, the giant rock will not strike our humble planet. But it will pass closer than 20,000 miles from the surface, which is closer than where some of the United States' most prized weather satellites orbit. Asteroids like Apophis hold a fascinating place in our existence: Big impacts are at once terrible threats to our lives and potentially the habitability for many species, but they're also extremely rare and irregular events. Yet the internet — awash with clickbait — likes to incessantly warn of incoming threats with misleading headlines like "Asteroid heading our way day before presidential election," "Should you be worried about the 'potentially hazardous' asteroid passing by Earth today?," and "Massive asteroid will swing by Earth after Valentine's Day."  Read more...More about Space, Nasa, Science, and Space