Archive index
Investigations
Browse all dossiers in the archive. Each investigation compiles documented claims, counterarguments, key figures, timelines, and source references.
151 DOSSIERS
Wow! Signal
The 1977 narrowband radio signal detected by the Big Ear radio telescope at Ohio State University, considered the strongest candidate for extraterrestrial communication ever detected.
Fast Radio Bursts: Discovery
Millisecond-long pulses of radio energy from deep space, whose origins remain unknown, with theories ranging from neutron stars to extraterrestrial intelligence.
Fermi Paradox
The contradiction between the high probability of extraterrestrial life and the lack of evidence for it, generating numerous proposed solutions from the Great Filter to the Zoo Hypothesis.
Dark Forest Theory
A proposed solution to the Fermi Paradox suggesting that civilizations hide their existence to avoid destruction by hostile alien civilizations, popularized by Cixin Liu's novel.
Fast Radio Bursts: Cosmic Origins
Millisecond-long pulses of radio energy from deep space whose origins remain unknown, from magnetars to extraterrestrial intelligence.
Fermi Paradox: Proposed Solutions
The contradiction between the high probability of extraterrestrial life and the lack of evidence for it, generating numerous proposed solutions.
Dark Forest Hypothesis
A proposed solution to the Fermi Paradox suggesting civilizations hide their existence to avoid destruction, popularized by Cixin Liu.