New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

A striking optical illusion resembling a floating city or alien spacecraft was captured on camera above the countryside in ...

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life. The problem is not finding the star.

SETI researchers found no alien signals on interstellar object 3I/ATLAS, but the study refines future searches and expands ...

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...

Space: 1999 may have offered audiences a glimpse into the future, but its premise was rooted in the past — specifically, in a ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...