Note the calendar visible just to the left of John Harasaki, who was given the job of removing essential items during the Apollo 11's quarantine period. Courtesy of the National Air and Space Museum ...

The scientific community is embroiled in a heated debate over the origin of a mysterious interstellar object that entered our solar system last month. While NASA initially identified the object, named ...

Scientists are watching a newly discovered object in space, and most of them agree it's a comet, but not all of them. A Harvard scientist, who believes he's seen proof of alien life before, suspects ...