Astrophysicist Neil deGrasse Tyson, 67, explained how any alien visitor from another planet would likely look very different ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

And if aliens made of different stuff potentially possess consciousness, then why not minds made of silicon, metal, and ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

Do not shout ‘alien!’” Amid surge of public interest in UFOs or UAP, one group updated its rules for how news of ...

Star Trek creator Gene Roddenberry also came up with a lesser-known sci-fi TV series that would do much better today as a ...

Steven Spielberg returns to alien territory in "Disclosure Day," a busy, wide-eyed and ultimately unsatisfying sci-fi ...

I was, therefore, intrigued by a recent report about grave goods containing a mysterious yellow glass found in 1922 in the ...

Does consciousness depend on flesh and blood? The answer is almost certainly no, according to Eric Schwitzgebel, a ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

New SETI protocols outline how scientists should verify, share, and respond to potential evidence of alien intelligence in ...

The International Academy of Astronautics has just voted to accept a major overhaul of the scientific code of conduct for ...