Nell Greenfieldboyce
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On Wednesday, the crew of NASA's Artemis II could blast off on a mission around the moon and back. No astronaut has ventured out to the moon since the 1970s. -
A glacier in Europe holds clues about the activities of pre-industrial people, but it's melting fast.
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A surprising new study shows that baby chickens react the same way that humans do when tested for something called the "bouba-kiki effect," which has been linked to the emergence of language. -
A massive star in the nearby Andromeda galaxy has simply disappeared. Some astronomers believe that it's collapsed in on itself and formed a black hole.
