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animation of signals from alien civilizations

CAN YOU HEAR ME NOW?  Electromagnetic signals (blue circles) from alien civilizations will continue traveling through the Milky Way even after the aliens are gone. The appearance of a doughnut hole represents when a civilization dies out.

Atacama Desert

STAYIN’ ALIVE  This superdry area in the Atacama Desert looks devoid of life. But after a rainstorm, scientists found living microbes in the soil.

illustration of potential alien microbes

ITSY BITSY ALIENS Americans would probably welcome the discovery of microbial alien life.

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