Astronomers propose finding alien civilizations by searching for unusually cold stars that could be surrounded by Dyson swarms—energy-harvesting structures first proposed by Freeman Dyson.

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien ...

Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of ...

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

Scientists are scrambling to explain why interstellar visitor 3I/ATLAS is carrying life's chemical building blocks at ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

It is one of the most famous questions in science, and it was asked, as legend has it, over lunch. Enrico Fermi, the physicist who helped build the first nuclear reactor and whose name graces a unit ...

As per a new study, Dyson spheres around faint stars in the galaxy could offer new techno-signatures clues.

Aliens: "Sorry, you're cutting out!" The post Something May Be Scrambling Alien Messages, NASA-Funded Research Finds appeared ...

By Will Dunham WASHINGTON, March 16 (Reuters) - Astronomers have spotted a planet orbiting a star in our neighborhood of the ...

Add Yahoo as a preferred source to see more of our stories on Google. Did Obama confirm the existence of aliens, only to walk it back? After saying “they’re real” on Brian Tyler Cohen’s podcast, the ...