
An asteroid could hit Earth in 2032, NASA says. Here’s what to know about the potential “city killer.”
An asteroid nearly the size of a football field now has roughly a 0.28% chance of hitting Earth in about eight years, NASA says — though at one point earlier its estimate reached as high as 3.1%. Such an impact, if it occurred, would have the potential for city-level devastation, depending on where it strikes. …