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Rocks that make up Canada, Greenland, and Hawaii may be what’s left of the original Earth before a Mars-like asteroid hit billions of years ago

Armed with that information, the researchers went about gathering samples from the areas of land that are believed to be the ...
NBC 10 Philadelphia

NASA says that, yes, an asteroid buzzing by in 2032 could hit Earth

An asteroid that measures up to 300 feet across could smack into Earth in 2032, and while NASA says the chances of a collision are “extremely low,” the probability has been increasing since the space ...