UFO

"We have no idea what's behind these weird incidents because we're not investigating," Christopher Mellon said.

The latest video was released by To the Stars Academy of Arts and Science, a private research company.

The recent clashes over fake news and climate change denial bear a startling resemblance to the clash on display in the UFO archives.

Scientists think you'd be cool with it.

The state is welcoming all aliens and alien-seekers with a fresh itinerary.

There is indeed evidence of an ancient ocean on Mars, but seashells and a sphinx? Not so much.

One theory suggests that aliens are purposely leaving us be to evolve on our own.

Scientists didn't find aliens in 2017, but here's what they did find.

It's a comet! It's aliens! No, it's Tesla!

The award-winning moviemaker said he has "never been that scared in my life."

He is convinced UFOs are out there.

No one and nothing was safe this year.

The SpaceX founder joked with confused Twitter users saying his Falcon 9 rocket was a nuclear alien UFO from North Korea.

For every unexplained sighting, there are many more that have a clear, earth-bound reason.

Neil deGrasse Tyson doesn't give an F about all this UFO talk.

Exploring for intelligent life isn't just whimsy, it's essential.

One said mermaids might be "alien species that lives in parts of the Indian Ocean we've never explored before."

Far more Americans believe in a second JFK shooter than support Donald Trump, polls show. But can the president beat out Bigfoot?

David Fravor's UFO story emerged days after the Pentagon publicly acknowledged the existence of a recent program dedicated to studying unidentified flying objects.

"There's very compelling evidence that we may not be alone, whatever that means," Luis Elizondo said.

The former Blink-182 star is getting renewed attention after revelations of the Pentagon's UFO research program.

The Defense Department investigated reports of everything from "glowing auras" to unidentified flying objects.

The program was started at the behest of former Democratic Senator Harry Reid.

And apparently, very few are afraid of coming into contact with alien life.

NASA already explained the "concretion" phenomenon when a similar image made the rounds in 2014.

He says our brains just can't handle thinking about how things work from a space-based perspective.

For some, the mystery of UFOs doesn't just live in the skies.

"Whatever this object is, I think there's a good chance it may not be a meteor at all."

The government claims not to be in the business of investigating UFOs. John Greenewald and many other researchers disagree.

The American Meteorological Society got more than 120 reports about the celestial event.