ancient earth
The Oldest Color Ever Discovered Is 1.1 Billion Years Old
The pink pigments help answer the question of why complex life took so long to emerge.
Canada Might Be the Best Place to Learn About Ancient Earth
Parts of the Earth's original crust are still traceable there, a new study finds.
Earth's Earliest Animals Looked Just Like Plants
Rangeomorphs are like the real-life Kokiri of the Ediacaran period.
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It's a Good Thing Early Earth's Magma Oceans Only Melted Half the Planet
A giant collision threatened to "melt the entire planet," but ended up only melting about half of it—and helped form the moon at the same time.
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