Former Trump intelligence director John Ratcliffe told Fox News that more unexplained sightings of flying objects will soon be declassified.
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.
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.
Are we alone in the universe? Many discoveries about aliens in 2020 seemed to increase the prospect of extraterrestrial entities existing.
Astronomers hunting for radio signals from alien civilizations have reportedly detected an "intriguing signal" from the direction of Proxima Centauri, the nearest star system to the sun.
An army officer was among the first people to inspect wreckage of a so-called UFO crash in Roswell, New Mexico, and he may have recorded clues about what he saw in a journal.
Venus just became a serious contender. But what are the other most promising locations for extra-terrestrial life?
Mysterious midnight disaster spared critical electronics in iconic alien-hunting telescope called the Arecibo Observatory in Puerto Rico.
The Pentagon just announced the creation of a task force to analyze and understand the "nature and origins" of UFOs. Here's what the much-hyped news means.
Puerto Rico's famous alien-hunting telescope called the Arecibo Observatory took massive damage after a cable snapped in the dead of night.
A federal program for investigating UFOs was purportedly discontinued in 2012, but the Pentagon's search for UFOs never stopped. Its findings may soon be released to the public.
Ex-military investigators seek answers about where UFOs come from and what their intentions might be, in a History Channel documentary series.
A strange balloon-shaped 'UFO' appeared and disappeared over the city of Sendai, Japan on Wednesday (June 17).
A new calculation posits that there are 36 intelligent alien civilizations sharing the Milky Way with humanity today, but it relies on some big assumptions.
Researchers using China's huge new FAST radio telescope are piecing together a technological strategy to carry out a major and sweeping search for extraterrestrial intelligence (SETI).