How astronomers plan to detect the signatures of alien life in the atmospheres of distant planets

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

New Studies Can Explain Why Comet 3I/Atlas Isn't An Alien (Probably)

When interstellar visitor 3I/ATLAS exhibited some peculiar movements, speculation arose regarding potential alien origins.
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This SETI program is chasing down its final 100 signals. Could one of them be from aliens?

Astronomers are using China's powerful FAST radio telescope to chase after 100 intriguing signals detected by the SETI@home ...