Militaries routinely send satellites to fly by rival vehicles and suss out their capabilities, but scaling up this kind of ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

One pilot's offhand description in 1947 started a national obsession that never quit.

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

From Artemis II to commercial satellites, laser communications are laying the foundation for a high-speed internet in space.

Ross Coulthart speculates SpaceX employees could be read into secret UFO programs.