The “post-detection protocols” for announcing the discovery and existence of alien life have just had their first major ...

For decades, the search for extraterrestrial intelligence has been defined more by silence than discovery, but that balance may be starting to shift. As new telescopes, algorithms, and theoretical ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

Astrobiologists warn that NASA's current instruments may miss subtle signs of alien life, risking 'false negatives' in the ...