Two archaeologists explore the enduring myth that extraterrestrials contributed to the various ancient cultures around the ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

What if an alien civilization did not just exist somewhere in the universe, but actually reached Earth in the distant past?

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

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.

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.

Welcome to Mamdaniville, where octogenarian veterans are pushed onto train tracks by demented illegal alien career criminals.

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

Can you profit from a supervolcano or aliens? Discover how prediction markets use 'Yes' and 'No' contracts to trade on natural disasters.

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