Claims of Nazi flying saucers grew from genuine German work on rockets, flying wings, unconventional propulsion, circular aircraft patents, and secret wartime weapons programs. Stories later described ...

Golden Dome’s most audacious element would require a vast constellation of weapons that does not yet exist. Defense companies are already lining up to build it ...

NASA is funding the development of small, lighter-than-air 'aerobots' equipped with solid-state atmospheric ion thrusters.

NASA is funding a new concept that could send swarms of tiny, spherical "aerobots" floating through the eerie underground ...

Texas sightings are among the thousands of records the Pentagon has been posting on its UFO website since President Donald ...

Light sails can propel spacecraft using the energy of the Sun. Credit: NASA/Aero Animation/Ben Schweighart Tiny spacecraft riding beams of light could put humanity within reach of another star system ...

This week, a spacecraft built and operated by Northrop Grumman called a Mission Extension Vehicle (MEV) unplugged from a communications satellite operated by the Australian firm Optus. For more than a ...

Marco Rubio has dismissed claims of a US government cover‑up over alien technology, even as he presses for answers on unexplained objects reported over American military sites.

The Donald Trump UFO conspiracy involves alleged secret UAP operations in Texas, with claims of military involvement and restricted airspace.