seti.org
The Science of SETI: Inside the First Modern Textbook
SETI has evolved into a data-intensive, interdisciplinary field focused on technosignatures and biosignatures, pursuing measurable signals across radio, optical, infrared, and related computational patterns, with renewed NASA involvement since 2018 and growing academic engagement, where detection is only the beginning and requires rigorous verification, transparency, and cross-instrument collaboration to avoid terrestrial interference, while only a small portion of the search space has been explored and advances in computation broaden the scope without new hardware, using the inquiry to reflect on intelligence, evolution, and culture across disciplines and inviting diverse researchers through institute programs like InVADER and efforts in technosignatures analysis, with education, outreach, citizen science, and formal curricula moving the field toward training the next generation.