A signal is detected from other star folks. But what happens now?
The International Academy of Astronautics has outlined protocols for what to do if we discover extraterrestrials. The major points of the protocol fall into three areas:
- The detection of alien life should be carefully verified by repeated observations.
- The discovery should be publicized.
- No response should be sent without international consultation.

The late Frank Drake with cosmic equation to gauge the presence of intelligent life in the cosmos. The Drake Equation identifies specific factors believed to play a role in the development of civilizations in our galaxy.
Image credit: SETI Institute
Next-gen SETI
That factoid is one among many in Next-Gen SETI: Pioneering the Search for ET.
If you’re curious about the search for extraterrestrial intelligence, download a free eBook produced by the SETI Institute.
Learn about:
- The Allen Telescope Array and China’s FAST facility used to detect potential extraterrestrial signals.
- Different approaches like radio and optical methods that expand our search.
- Key scientific concepts and theories, including the Drake Equation and the Fermi Paradox.
- Societal implications and protocols for responding to extraterrestrial discoveries.
Download your free eBook at:
https://www.seti.org/sites/default/files/2025-01/SETI%20ebook%20%20final.7.9.24.pdf
Interesting seti book
Step 3 won’t happen but we have been screaming in RF , we are here. We are here for decades with our many early warning missile launch detection radars. Everybody up to 50 light years away know we are here,