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What scientists model if an asteroid struck Earth
I break down scientific models showing what could happen if a large asteroid struck Earth.
An asteroid the size of a 10-story building could collide with the Moon ...
Morning Overview on MSN
Scientists say asteroid sample holds Earth’s original life ingredients
Scientists studying dust and rock from asteroid Bennu say they are holding something close to a time capsule from before Earth was habitable. Locked inside the grains are amino acids, sugars and other ...
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