Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature of the universe.

NASA's most famous astronauts secretly claimed that they encountered an alien presence on the moon and were told to keep it quiet for decades. Physicist Maaneli Derakhshani told the American Alchemy ...

McClelland claims he is a retired NASA spacecraft operator (ScO) who worked with NASA’s Shuttle Fleet at the Kennedy Space Center in Florida from 1958 to 1992. He was involved in hundreds of NASA ...

A long-debated mystery has a new batch of breadcrumbs for the public to examine. The Pentagon began releasing files on UFOs and unidentified anomalous phenomena on Friday, May 8. The records include ...

Add Yahoo as a preferred source to see more of our stories on Google. PASADENA, California — NASA's new alien-hunting telescope, the Habitable Worlds Observatory (HWO), will be serviceable out in ...

They haven’t found alien life out there yet, but following the first successful in-space DNA sequencing, astronauts have a better way to look for it. This first test was mostly just to see that DNA ...

NASA Administrator Jared Isaacman revealed the agency possesses unexplained images of unidentified objects and suggested Mars samples might hold clues to ancient alien life.

Stephen Smith is a managing editor for CBSNews.com based in New York. A Washington, D.C. native, Steve was previously an editorial producer for the Washington Post, and has also worked in Los Angeles, ...

Videos in this batch show unidentified aerial phenomena but offer few clues to existence of alien life Sign up for the Breaking News US newsletter email The Pentagon on Friday released a second ...

The United States government’s recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) cases spanning the 1940s to the present, along with the new Steven Spielberg ...