A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be older than our Solar System, according to a new study. The comet, first ...
The next major search for extraterrestrial intelligence might involve putting Moon dust under a microscope rather than pointing a radio telescope toward the stars. A new study led by SETI Institute ...
Could ancient alien technology be hiding on the Moon? Scientists propose searching lunar dust for microscopic traces of ...