A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

A team of historians, scientists and engineers has developed a portable X-ray scanner to study 4,000-year-old letters encased ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

Astrophysicist Neil deGrasse Tyson is calling on the government to just "show the alien," arguing that after years of whistleblower hearings and Pentagon file dumps, the American public is ready to ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other solar systems, even if that was not their original intention. Five robotic ...

From civic records to cultural keepsakes, a literal ton of American history is almost ready for burial in Philadelphia. Ahead of the nation's historic 250th birthday, "Fox & Friends" got an exclusive ...

The latest release of shocking top secret Pentagon UFO files - after being buried for more than 40 years – reveal a string of terrifying encounters with extraterrestrials, including a perilous ...

The Pentagon on Friday released a third batch of vintage classified files related to “flying saucers” and other unidentified anomalous phenomena — better known to most Americans as unidentified flying ...