'Armageddon'-style asteroid will now not destroy human race, sorry

This post is part of Science of Sci-Fi, Mashable's ongoing series dissecting the science (or lack of science) in our favorite sci-fi movies, TV shows, and books.

Some days are so damaging to your faith in humanity, you may find yourself idly wishing for the cleansing global firestorm that would follow an impact from the kind of asteroid that killed off the dinosaurs 65 million years ago.

If that's the case, then astrophysicist and planetary scientist Michael Busch has some bad news. Over the last couple of decades, telescope-watchers like him have done such a good job of detecting and tracking the orbits of all possible extinction-level rocks out there that we can now say with confidence that none will hit us, at least not in the next 860 years.  Read more...

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