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Are we on the path to a major asteroid collision? The Russian Federal Space Agency fears that the approaching asteroid Apophis could spell certain doom. And it has a plan to knock the asteroid off its current course. More »
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Although NASA vigilantly searches the skies, dozens of near-Earth asteroids remain undetected, any one of which could strike our planet and cause devastating damage. But better detection will mean more facilities and better equipment — and a lot more money. More »
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Dinosaurs may not have been Earth's only creatures to face extinction from above. A team of researchers has found evidence that suggests a comet once hit North America, taking the continent's mammals down with it. More »
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When it comes to comet impacts, the denizens of Earth may be living on borrowed time. Of course, comets are only about half the problem — there are plenty of asteroids whizzing around the inner solar system too — so we decided to have a look and see just how close modern society has come to destruction since 1900, and how close we're going to come over the next 100 years. The answers, provided in our nifty infographic, aren't reassuring. More »
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