Every November, the Leonid meteor shower lights up the sky — a dazzling reminder that our planet is just one small part of a vast, mysterious cosmos. As shooting stars streak overhead, it’s hard not ...

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 ...

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

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 ...