What would aliens actually look like? While simple life forms like bacteria may be common in the universe, complex intelligent life is likely rare. Movies often depict aliens as human-like, which is ...

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — and could wipe out life on earth. Following Tennessee Rep. Tim Burchett’s ...

Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that ...

One of the challenges of searching for technosignatures (i.e., signs that intelligent life somewhere in the universe has ...

A provocative theory circulating among artificial intelligence researchers suggests that once machines achieve human-level intelligence and beyond, they might create something entirely unexpected: a ...

It may not breathe, eat, or sleep. It may not reproduce in any ordinary sense. It may not have a face, a voice, or a body shaped by evolution. It may be a machine. This is not a wild idea – it follows ...

The Fermi paradox asks why we haven’t found aliens yet. Scientists say the answer may lie in timing, technology, and the vast scale of space.

They’re hole-ar powered. If super-advanced alien civilizations exist, they would surely require insane amounts of energy to ...

They did not find any; but as PhD researcher Louisa Mason told IFLScience, "My work at the moment is less about looking if aliens are sending messages and more about thinking about how we use these ...

Where are all the aliens? No, I don’t mean microbes on Mars or creatures swimming beneath the ice crusts of Europa or Enceladus, but honest-to-God intelligent aliens, capable of space travel? The ...

Experts stress need for transparency while aiming to prevent premature announcements and protect scientists Alien hunters have released fresh guidelines on how to handle potential signals from ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got stranded on earth when his alien compadres abandoned their botany mission. In ...