Two aircrafts flying over Canada reported a "bright green UFO" that disappeared into the clouds on July 30.
People have described extraterrestrial encounters that take place in a dreamlike state, and experiments suggest that such experiences may be lucid dreams.
A new survey reveals that most Americans believe in intelligent extraterrestrial life and do not feel threatened by the appearance of UFOs.
Scientists have described a brand new type of visual illusion that makes people see non-existent rays shining through rings of concentric polygons.
When a photographer snapped the moment a herring gull caught a french fry midair, the image quickly went viral. Now, the photo is appearing on Google billboards in Ireland and the U.K.
The Pentagon has released a highly anticipated "UFO report" that does not implicate aliens in 144 UFO sightings. Here's what the report shows.
Scientists have figured out a way to convert plastic waste into vanilla flavoring with genetically engineered bacteria, according to a new study.
Your friends are on average more popular than you are, according to a phenomenon known as the "friendship paradox." But it turns out, there's some nuance to that.
U.S. lawmakers called for an official assessment of UFO sightings in December, and the six-month deadline is up.
A film frame allegedly showing the autopsy of an extraterrestrial that crash-landed in Roswell, New Mexico has an opening bid of $1 million.
A clip of a mysterious spherical object hovers over the horizon, in footage released by a filmmaker who produces UFO documentaries.
A robotic artist powered by AI algorithms has created realistic self-portraits that question the limits of artificial intelligence and what it means to be human.
A China zoo covered up this leopard's escape. And now, three weeks later, they have chickens and drones searching for it.
Tons of nuclear waste in the ruined basement of Chernobyl's Unit Four reactor are beginning to react again, and it could explode within years, scientists say.
The first batch of Atomik, an artisanal spirit made from apples grown near Chernobyl, was suddenly seized by the Ukrainian government.
Visitors to a newly-restored shrine in the St. Albans Cathedral will be greeted by a carved stone face wearing a protective mask.