A new study published in the journal Astrophysical has outlined a novel method that could be used to detect advanced alien civilizations remotely. The premise is to look for signs of nuclear fusion on ...

If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, ...

Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...

Scientists propose a universal test that could detect alien life without assuming it resembles any biology found here on ...

Two rovers have had big breaks over the past few years in the case of whether Mars ever hosted life. Curiosity, which is exploring Gale Crater, conducted a chemistry experiment on a rock sample that ...

Here’s what you’ll learn when you read this story: Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home.

So far astronomers have discovered nearly 6,000 exoplanets—worlds that orbit stars other than our sun. If that number already feels ridiculously large, you’d better brace yourself: extrapolation of ...