Follow your curiosity.
Search the archive by name, topic or alias. Filter claims by evidence status without assigning a verdict to an entire case.
21 entries
Clear filtersSearch for extraterrestrial intelligence
A research effort looking for evidence of technologically capable life through testable observations.
Stonehenge
A prehistoric monument whose architecture, landscape and solar alignments are studied through archaeological evidence.
TRAPPIST-1
The supplied 2017 record describes TRAPPIST-1 as a transiting planetary system around an ultracool dwarf. It reports at least seven planets similar to Earth in radius and mass transiting the host, an 18.77 d period for the outermost planet TRAPPIST-1h, and a linked three-body resonant chain. The supplied material does not establish life or habitability.
Technosignatures
The scientific search for observable indications of technology beyond Earth, from radio emissions to proposed atmospheric or large-scale effects.
The Wow! signal
A striking narrowband radio observation recorded in 1977. Its origin remains unresolved in the cited SETI Institute account.
The habitable zone
A useful astronomical starting point: orbital distances at which surface liquid water might be possible under suitable conditions.
The historical Navy UAP videos
Three publicly released Navy recordings illustrate why authentication of footage and identification of its subject must be evaluated separately.
The pyramids of Giza
Monumental achievements within the archaeological landscape of ancient Egypt, connected to royal funerary traditions and evolving construction techniques.
Unidentified anomalous phenomena
UAP is a category of observations that remain unidentified in a given assessment. The designation does not identify an extraterrestrial origin.