The search for extraterrestrial life has evolved from philosophy to a serious scientific and national security concern ...

The oldest file in the latest release dates to 1950, while the latest was generated this year. This is the fifth release ...

If you had an hour or so to spend with President Donald Trump, what would you say to him? Las Vegas aerospace tycoon Robert Bigelow had a long list of subjects in mind, but the one at the top was UFO ...

The Pentagon on Friday released a new batch of documents and images related to UFOs, the fifth disclosure in recent months ...

"There's a minimum of four [types of alien] that we know of. I've seen the evidence, I've seen the records." ...

Key figures in the UFO disclosure movement are intensifying their demands that the president reveal what the US government ...

Add Yahoo as a preferred source to see more of our stories on Google. "If you found out we weren't alone, if someone showed you, proved it to you, would that frighten you?" the official logline reads.

Spielberg returns to one of his favorite subjects with a fun and goofy popcorn movie that shows how far he's come in the last 50 years. Steven Spielberg has now made five movies about aliens (six if ...