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

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

For four decades, many SETI experiments have focused on finding sharp spikes in frequency but the new study says signals may not stay narrow as they travel away from their home system.

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.

The Search for Extraterrestrial Intelligence (SETI) is a dream of humanity, but advanced extraterrestrial civilizations do not necessarily communicate in the same way as humans. A paper published on ...

The Fermi Paradox asks a simple but unsettling question: if the universe is so vast, why haven’t we found evidence of alien civilizations? Scientists have proposed many explanations, but some of the ...