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 ...

The study warns that the search for alien life could be marred by the fear of 'false positives'.

Astrobiologists are raising concerns that humanity’s search for alien life may be limited by the very tools designed to find it.

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

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 ...