The International Academy of Astronautics (IAA) has ratified protocols advising what an astronomer should do if they discover evidence for extraterrestrial intelligence in our modern global world of ...

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 ...

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 ...

Astronomers do not yet have a reliable, routine way to detect and confirm an Earth-size, Earth-mass planet in an Earth-like orbit around a Sun-like star using current planet-hunting methods. The ...

SETI is entering an AI-assisted era in which more kinds of technosignatures can be found faster. The safeguard is not a single higher threshold, but a public ...

Researchers question whether AI software is ready to be integrated into life-detection systems on spacecraft and other extraterrestrial explorers.. Credit: NASA / JPL-Caltech / MSSS If a chatbot can ...

Using the same planet-hunting techniques as Earth astronomers, would inhabitants of a planet hundreds of light-years away be able to detect Earth? Or would the gas giants overpower their observations?

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.