Evidence that giant meteorite impacts created the continents

New Curtin research has provided the strongest evidence yet that Earth's continents were formed by giant meteorite impacts that were particularly prevalent during the first billion years or so of our planet's four-and-a-half-billion ...

NASA's new mineral dust detector readies for launch

Each year, strong winds carry more than a billion metric tons—or the weight of 10,000 aircraft carriers—of mineral dust from Earth's deserts and other dry regions through the atmosphere. While scientists know that the ...

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