SETI scanned 3I/Atlas for more than seven hours and detected no signs of extraterrestrial technology; The comet is only the ...

James Webb has revealed that the sunrise and sunset sides of WASP-121 b have surprisingly different atmospheres.

The legendary director spoke out about extra-terrestrials as moviegoers head to 'Disclosure Day.' ...

Using the Keck Observatory, astronomers measured the spins of dozens of giant planets and brown dwarfs orbiting distant stars ...

No bombshells so far in the latest Pentagon batch of declassified Unidentified Anomalous Phenomena files. But they show the ...

For generations, the search for life beyond Earth has focused on avoiding one of science’s biggest mistakes: claiming a ...

Pentagon records reveal federal agents reported glowing orange orbs releasing smaller red objects near a sensitive national ...

Scientists are stunned by HD 189733b, a blue planet 63 light-years away, resembling Earth but far more hostile. Orbiting its ...

One was a rotating disc that sent out beams of light. Another was a shining red orb of a hue the observer had never seen ...

If you're a skeptic, these UFO sightings will convince you that the truth is out there—and it may not be from Earth. Eerie ...

- A patron passes a painting inside the International UFO Museum and Research Center in Roswell, N.M., on June 10, 1997. (AP Photo/Eric Draper, File) ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...