A retired 'UFO general' and a NASA-linked scientist have both vanished in the US, fuelling clashes over whether the case ...

A former NASA developer has analyzed 1950 photographic plates showing nine unexplained objects in Earth's orbit, years before ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

When it comes to the space sciences, nothing is quite as exciting as the search for alien life, and NASA thinks it has a good idea of where to look.

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the ...

Answers to some of those questions could finally become public after President Trump's call last week for the release of files related to UFOs or any "alien and extraterrestrial life." Mr. Trump ...

( NewsNation ) — Images of a pyramid-like shape on the surface of Mars are propelling theories that alien beings constructed ...

The first bubble of hot gas seen around another star has been spotted around the "Moth," just 117 light-years away. When you purchase through links on our site, we may earn an affiliate commission.

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

The US government's registration of alien.gov and aliens.gov has triggered global speculation about a potential UFO ...

Photographic plates captured in the early 1950s appear to show evidence of at least one artificial object orbiting the Earth ...