Technosignature · Technosignatures & SETI
Technosignature
A sign not of life but of technology — a radio or optical signal, an artificial light, an industrial pollutant, or a megastructure. The search for technosignatures is the search for intelligence, led by SETI and Breakthrough Listen.
Highlights
- ›Signs of technology, not just biology
Worlds, missions & methods
Knowledge connections
- Member of groupTechnosignatures & SETI
- Associated withSETI Institute
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.