SETI may have missed alien signals for 60 years because stellar plasma smears transmissions into noise, a new Astrophysical Journal study finds.

Throughout June 2026, SETI Institute scientists, affiliates, and collaborators contributed to discussions spanning ...

One of the longest-standing techniques in humanity’s search for life beyond Earth may be causing scientists to miss alien signals entirely, a new study finds. Since the very beginnings of the search ...

Scientists hunting for radio signals from any form of advanced extraterrestrial life that might be out there trying to contact us are now starting to wonder if something has been messing with their ...

A comet from another star system does not arrive every year. That is part of what made 3I/ATLAS so compelling when it appeared in July 2025. It streaked into the Solar System on a path so extreme that ...