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Asteroid evidence suggests building blocks of life formed in the frozen outer solar system

When NASA’s OSIRIS-REx spacecraft scooped up samples from asteroid Bennu and brought them back to Earth, scientists expected to find amino acids and clues about how they formed. In other words, the ...
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Earth's building blocks came not from the outer solar system but right here, challenging long-standing theories

Theories around the formation of Earth have just been challenged by researchers from ETH Zurich. For a long time, the general ...