Photographic plates captured in the early 1950s appear to show evidence of at least one artificial object orbiting the Earth years before the first successful space launch ...

A persistent myth of a 13,000-year-old 'Black Knight satellite' of possible alien origin has captivated many. However, scientific explanations point to lost space debris, like a thermal insulation ...

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 ...