NASA spotted a big asteroid that may hit Earth — what you should know

It's actually good news that NASA spotted a sizable asteroid with a (small) chance of hitting Earth in 2032.It means our asteroid-sleuthing telescopes are working."These things come through on a regular basis," Jason Steffen, an astronomer at the University of Nevada, Las Vegas, told Mashable. "The fact that we're seeing something around a decade into the future shows the improved technology that's been deployed to watch for these asteroids."SEE ALSO:What will happen when the next supervolcano e