From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.
An alien virus creates a hive mind. But the story is how the survivors fail to unite—revealing human cooperation's fragile ...
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Uranus and Neptune may be 'rock giants,' not 'ice giants,' new model of their cores suggests
A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.
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