Have you ever looked at ancient wonders like the pyramids and wondered how they were built? Many people believe the answer involves extraterrestrial visitors, and this idea has captured public imagination for decades.
The 'Ancient Aliens' phenomenon is trending because a popular TV show by that name has fueled interest in these theories for over 15 years.
The History Channel's 'Ancient Aliens' series, which premiered in 2009, has significantly popularized the idea that extraterrestrials visited Earth in ancient times and influenced human civilization.