Space
Distant space rock Ultima Thule formed in a slow and gentle collision
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solar system
Environment
Wind and solar will still work in a climate-change ravaged Europe
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Space
Space exploration needs minnows as much as superpowers
Leader
Space
Neptune’s smallest moon keeps getting smashed up and resurrected again
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Health
CRISPR could help us protect ourselves from viruses like flu and HIV
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Space
Apollo astronauts might have found a piece of Earth on the moon
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Space
The moon’s violent birth may have given Earth the ingredients of life
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