A Mars-size object called Theia smashed into Earth, and the debris coalesced into the moon. Now scientists believe they may have identified pieces of Theia at the bottom of Earth’s mantle. A new study ...
Researchers have long suspected that the Moon was formed after a Mars-sized protoplanet, dubbed Theia, smashed into the primordial Earth some 4.5 billion years ago. The literally Earth-shattering ...
How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid lifelessness, did our planet become warm, hospitable, and life-sustaining? The answer ...
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