Viral claims of a NASA UFO cover up resurface after a physicist cites astronaut sightings, strange space objects and Gemini ...

The public could be frightened or skeptical. A lot depends on how scientists announce it—if they ever find life in space.

Titan might be the most hauntingly Earth-like world we’ve ever found — but twisted into something alien. Beneath its thick ...

A MYSTERIOUS rock that fell to Earth from Mars may hold some watery secrets about the Red Planet – and possibly alien life.

A Reddit user claims a retired US Navy submariner told him about mysterious logbooks filled with sightings of high-speed ...

The latest episode of Starfleet Academy had one of its 32nd-century cadets researching a legendary 24th-century figure: ...

Astronomers identified a strange object in the Milky Way that sends out powerful bursts of radio waves and X-rays with steady ...

A Reddit user claims a retired Cold War submariner told him about Navy logbooks documenting unidentified fast-moving objects, ...

American space resources company Interlune was awarded a $150,000 contract from NASA to advance its research into a lunar ...

President Donald Trump has a historic speech ready that could provide the world with UFO disclosure, and he has already picked a date to deliver it.

Interstellar comet 3I/ATLAS has triggered fevered speculation after the James Webb Space Telescope detected an "out of order" burst of methane in its coma, puzzling even seasoned astronomers. While a ...

A submarine operator said that a friendship at work led to the reveal of some terrifying information about fast moving ...