The search for alien life should broaden its horizons a bit, a new study suggests.
Aliens can refer to everything from little green men in the sci-fi realm to microscopic life forms beyond Earth. For all these possibilities, Live Science has you covered. We break down the latest discoveries that hint at life on other planets and the state of scientific searches for such extraterrestrial life. Sometimes, we may dissect a "little green man" sighting as well.
Researchers show how intelligent aliens might draw nearly-limitless power from a black hole using a Dyson sphere.
Two aircrafts flying over Canada reported a "bright green UFO" that disappeared into the clouds on July 30.
A multi-institutional research team will seek evidence of technologies crafted by intelligent alien civilizations — living and extinct.
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.
The Pentagon has released a highly anticipated "UFO report" that does not implicate aliens in 144 UFO sightings. Here's what the report shows.
The U.S. government is set to release a UFO report soon, perhaps sometime this week. What will it say?
In a new report, Pentagon officials claim they lack evidence that UFOs are from worlds other than Earth.
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.
Intelligent aliens will soon have a space here on Earth where they can share how they made it through their technological adolescence.
Former Trump intelligence director John Ratcliffe told Fox News that more unexplained sightings of flying objects will soon be declassified.
New research suggests a way to move heat around "tidally locked" alien planets: ocean currents whipping around the worlds faster than they rotate.
The CIA just turned over 2,700 pages of UFO-related material to The Black Vault, a free repository of UFO records online.
Harvard astrophysicist Avi Loeb has reignited a debate about whether alien life can explain an object that visited the solar system in 2017 in a scathing new book.
From the best places to find them to what they might breathe, here are the newest clues we discovered about alien life.