Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

Interest in unidentified aerial phenomena (UAPs) surged in February when Barack Obama stated aliens are "real," though he ...

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 ...

As Trump orders UFO file release, scientists debate a deeper question—if aliens exist, what would they think of humanity?

A mysterious structure emerges in a distant landscape, raising new questions in the search for intelligent alien life. The ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million ...

In the endless search for technosignatures—signs from some technologically advanced intelligent alien civilization—we’ve done everything from monitoring radio arrays to hypothesizing about whether ...

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 ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us? It's a ...