I/ATLAS recently passed its closest point to the sun. Because of its unusual behavior, some scientists are wondering if it's ...

Astronomers have recently brought a mysterious planet into the spotlight, a celestial body that bears striking resemblance to ...

As 3I/ATLAS races through our solar system, NASA and Harvard take unprecedented action to study its bizarre anti-tail and ...

Near the Sun, where extreme heat is abundant, similar methods could, in principle, extract oxygen from CO₂ without added ...

Researchers claim flashes of light seen in sky surveys could have been UFOs drawn to Earth by nuclear tests, but more mundane ...

On his Medium blog, Loeb theorised that it could be an alien “mothership” that is “alien tech masquerading as a natural comet ...

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien ...

A chilling warning from late theoretical physicist Stephen Hawking has once again re-emerged after claims a mysterious 'alien ...

The phones at WCAX began ringing around 6:10 p.m. Tuesday with callers reporting a “mysterious swirl” in the night’s sky.

A spiral-shaped light caught on camera in the night sky across New England was most likely the result of a rocket launch in ...