She’s worried about the a-rock-alypse. A planetary defense expert is warning that humanity is defenseless against up to 15,000 undetected near-Earth asteroids that have the potential to take out a ...
A NASA planetary defense officer warns thousands of near-Earth asteroids capable of destroying a city remain undetected.
Humanity needs to step up its asteroid-hunting game. To date, astronomers have spotted more than 8,000 near-Earth asteroids that are at least 460 feet (140 meters) wide — big enough to wipe out an ...
"We don’t know where they are,” said NASA’s planetary defense officer Kelly Fast at the AAAS conference in Arizona this week.
Picture this. You're sitting at breakfast, scrolling the news, when suddenly headlines scream that a space rock the size of a football stadium is barreling toward Earth. Your coffee goes cold. Your ...
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