Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

Language and radio signals may not matter to aliens. Instead, they might be using patterns to leave a biological fingerprint.

Tiny delays in pulsar signals measured by SETI scientists could aid the search for gravitational waves and extraterrestrial ...

Since its debut, "Star Trek" has introduced decades worth of new characters, locations, and alien races, but only a few ...

A layer of molten rock deep inside some rocky planets may be doing more than shaping their interiors. New research points to ...

New details from alleged eyewitnesses have been revealed about a shocking UFO crash landing 30 years ago.

The sheer scale of Carrazco-Gaxiola’s survey, titled “An All-Sky Spectroscopic Reconnaissance of More Than 2,100 K Dwarfs ...

Interstellar, Alien, and Back to the Future are all among the all-time greatest sci-fi movies that deliver everything you ...

Harvard astrophysicist Avi Loeb's speculative claim that 3I/ATLAS could be an alien AI probe ignites scientific debate, NASA ...

It makes sense, really.

Consciousness could be a fundamental part of reality, like gravity or matter, according to this controversial theory.

New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of ...