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Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

The video ranks the biggest cosmic threats to humanity, from rogue planets and black holes to supernovas, gamma ray bursts, ...

It’s been almost ten years to the day since this experience, and I still get a little thrill in my chest when I think about ...

The coating could be applied on future spacecraft designed to block light from distant stars hosting exoplanets.

The Lake Lenore Caves near Soap Lake, Washington, offer exactly that kind of alien landscape experience, minus the need for a ...

Orlando Science Center is rocking and rolling with fresh laser-light presentations now that the $7 million top-to-bottom ...

From Project Hail Mary to Independence Day, Alien to Arrival, these alien movies are much better than Disclosure Day.

The full trailer for Na Hong-Jin’s “Hope” is finally here ahead of its Sep. 9 U.S. release with Neon and it’s got a little ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.