What does it take to detect a radio signal sent by extraterrestrial life to Earth? Two decades of work involving radio ...

Frozen crystals of hydrogen cyanide, a poisonous substance, may have been essential to life on Saturn’s moon Titan, ...

After reviewing almost 30 years of signals, University of California Berkeley researchers have identified 100 mysterious, ...

For decades, scientists have tried to turn the question of alien life from late-night speculation into something you can ...

The History Channel series returns January 15 with "Skulls of the Gods," examining whether these archaeological finds have ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

New research suggests that amino acids, the fundamental components of life, may have arrived on Earth carried by interstellar ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

When interstellar visitor 3I/ATLAS exhibited some peculiar movements, speculation arose regarding potential alien origins.

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...