An alien radio signal from K2-155 d? Are there any alien civilizations out there? For several decades, scientists have been searching for evidence that they exist. That effort is collectively known as ...

The Quest for Signals from the Cosmos The remarkable growth of radio astronomy after World War II paved the way, in the 1960s ...

A TEAM of astrophysicists have made a bombshell scientific discovery after detecting a radio signal coming from beyond the ...

The discovery could help astronomers determine whether an outer world is suitable for life.

Astronomers have reported the first convincing direct detection of radio emissions localized to a planet outside the solar ...

Scientists found that planets with life produce more complex, information-dense signals than nonliving worlds.

Discover everything about The Hidden Flaw in Our Search for Alien Life: Why We Might Be Looking in the Wrong Place.

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, ...

Add Yahoo as a preferred source to see more of our stories on Google. For decades, humanity has scoured the cosmos for any signs that we aren't alone in the universe. But now, researchers at the SETI ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system. New research suggests that radio emissions from intelligent aliens may be ...

The discovery of radio signals from a distant planet may sound like evidence of alien life, but scientists say that is not ...

Scientists re-analyzing data obtained from 33 planetary systems using China's FAST radio telescope have detected an unusual ...