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Rebounding after a catastrophe
What is the chance of Earth being hit by a comet or asteroid?
Not much in our lifetimes — perhaps 1 in 10,000 — but over thousands or millions of years, major impacts
What is the chance of Earth being hit by a comet or asteroid? Read More »
Did an asteroid really kill the dinosaurs?
The truth behind the demise of the dinosaurs may never be fully resolved, but a growing body of evidence has