NASA faces backlash after a physicist claims Moon images are blurred to hide artificial alien structures, sparking fierce scientific debate.

When sonar first picked up a massive, stair‑like object on the floor of the Baltic Sea, the image looked less like geology and more like a movie prop. The structure’s circular outline, sharp edges and ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year ...

One night about 60 years ago, physicist Enrico Fermi looked up into the sky and asked, "Where is everybody?" He was talking about aliens. Today, scientists know that there are millions, perhaps ...