A former NASA developer has analyzed 1950 photographic plates showing nine unexplained objects in Earth's orbit, years before ...

The Black Knight Satellite is one of the most enduring space mysteries discussed online, described by some as an unidentified object orbiting Earth that defies easy explanation and fuels speculation ...

For decades different discoveries have been linked to a single possible spacecraft of extraterrestrial origin. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Photographic plates captured in the early 1950s appear to show evidence of at least one artificial object orbiting the Earth ...