NBC News' Gadi Schwartz reports on "3I/ATLAS," mysterious outer space object that is thought to be billions of years old, ...

A mysterious space rock is going to be it's closest to Earth on Dec. 19. The post Space rock or hostile aliens? Mystery ...

Scientists recently discovered a mysterious object in outer space that, for a time, was sending out regular bursts of energy in a way that researchers hadn't previously observed. According to an ...

A mysterious object that a controversial scientist claims could be an alien battleship reaches its closest point to Earth on ...

Harvard University science professor Avi Loeb discusses the potential origins of the 3I/ATLAS and how it sparked a debate in the science community on ‘The Sunday Briefing.’ Maxx Crosby on draft impact ...

NASA and ESA both shared new images of the interstellar comet 3I/ATLAS this week, as the agencies gear up for the mysterious object's closest approach to Earth on Dec. 19. When you purchase through ...

Here’s what you’ll learn when you read this story: A mysterious reddish object that formed only 90 million years after the Big Bang was observed by the James Webb Space Telescope. If it is a galaxy, ...

A mysterious object that a controversial scientist claims could be an alien battleship reaches its closest point to Earth on ...