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

Ridley Scott's iconic sci-fi horror movie "Alien" was released in the United States on May 25, 1979, meaning it turns 47 this year.

A strain of bird flu never seen in humans has infected a Washington state resident and left the person hospitalized, state health authorities said. Washington State Department of Health authorities ...

A hidden lineage of UFO contactees stretching back more than four centuries is coming into focus in Denmark, with researchers ...

Does a cuckoo know it's a cuckoo? The answer is more difficult than you might think, explains Richard Pallardy ...

Tribbles are trouble in the Star Trek universe because they're so hard to remove, much like these real-life animals that've ...

Wondering about the most dangerous birds on Earth? We've compiled this list of the Top 20 scariest birds — some that have ...

Videogames aren't as hooked on loon sonics as movies and music are, though once you know what you're listening for, the ...

Mass Effect's Milky Way is home to many different ( bangable) alien species, from the bird-like turians to the jellyfish-like ...

For this installment of "From the Archives," we answer a reader question about the monk parakeets and grackles in Austin.

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...