A triangular UFO captured on infrared over Area 51 has gone viral, starting alien theories and questions about secret military tech.

The interstellar object known as 3I/ATLAS is stirring up a whirlwind of speculation as it nears Earth, with theories ranging from it being a natural comet to an alien spaceship. This debate has been ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Scientists in Boulder are using existing NASA spacecraft to track a rare interstellar comet called 31/ATLAS as it travels through Earth’s solar system. Comet 3I/ATLAS was first observed on July 1 and ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Jessica Mendoza: Has the United States government ever made contact with UFOs?

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. ZURICH, Jan 11 (Reuters) - Best-selling Swiss author Erich von Daeniken, who built a lucrative career on his argument, rubbished ...

The History Channel series returns January 15 with "Skulls of the Gods," examining whether these archaeological finds have ...