A Pentagon office set up to investigate purported alien encounters dating back decades found no evidence to support claims that any of those incidents were actual sightings of extraterrestrials. The ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

A new government-backed documentary is stirring global attention for its bold claim that alien tech could soon make interstellar travel and teleportation a reality. Titled The Age of Disclosure, the ...

Artist’s impression of the interstellar object 3I/ATLAS approaching the inner solar system. Scientists debate whether its unusual trajectory and composition suggest an artificial origin. Harvard ...

An interstellar visitor is facing its trial by fire today, and one of the world's most prominent astronomers is watching for the verdict. Some believe the object, 3I/ATLAS, may be about to unveil ...