Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation.

The short video shows a small circular object flying high in the blue sky. When zoomed in at 100x magnification, the UFO is clearly visible – a silver craft with distinct spokes around it. It seems to ...

The interstellar comet 3I/ATLAS will make its closest pass to the sun on Oct. 30, and various spacecraft will be watching, ...

The truth is still out there. NASA announced Thursday that it has appointed its first-ever director of UFOs — because it still has no idea what a number of mysterious flying objects actually are. The ...

A new video featuring an unidentified flying object (UFO) near the coast of California has sparked significant interest, adding fuel to the ongoing discussion around UAPs (unidentified aerial ...

TOKYO (Reuters) - Its Japanese developers call it the "Futuristic Circular Flying Object" and it's designed to go where humans can't. The radio-controlled sphere, roughly the size of a basketball, was ...

The National Museum of the U.S. Air Force has had a Avro Canada VZ-9AV Avrocar in its massive collection since late 2007. But this flying saucer-shaped vehicle is most certainly not a flying saucer — ...