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A NASA scientist has warned that comets arcing through our Solar System could pose more of a threat (or at least as much of one) than asteroids that are constantly in the headlines as being a potential danger to life on Earth as we know it. And there are several reasons why a comet headed on a collision course with our planet could be far more devastating, perhaps even producing an extinction level event not seen in tens of millions of years.

Live Science reported recently that the warning has gone out that not only is Earth totally unprepared for defending itself against an imminent asteroid strike but that comets on a collision trajectory would also likely pose greater risks to the planet. Such a collision might even result in the extinction of a majority, if not all, of the major living organisms on Earth.

But we already knew that. To read more, click here.