The most famous example was the Utah monolith, a 3 m structure, about 9.8 feet tall, made of metal sheets riveted into a triangular prism and unlawfully placed on public land in a rugged area that ...
A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet ...
Scientists and NASA officials insist the object is a natural comet, not alien technology. Recent observations found no radio signals from the comet that would suggest it was artificial. The comet made ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results