The idea was that as an alien civilization advances, its technology becomes too sophisticated for us to detect. We could ...

Brian Lacki has released a set of three prepublication studies attempting to rationalize and measure the odds of a ...

Is anybody out there? Probably. Most stars have planets; we've discovered more than 6,000 exoplanets thus far, and the most ...

Scientists suggest advanced alien civilizations might remain undetectable, using AI and exotic communication. They also ...

Complex, intelligent life in the galaxy appears vanishingly rare, with the nearest possible civilization perhaps 33,000 light ...

From harnessing fire to capturing starlight, humanity’s quest for energy defines its evolution. This film explores the Kardashev Scale — the measure of how powerful a civilization can truly become.

A new study argues that conditions necessary for intelligent extraterrestrial life may be far less common than once thought. Planets lacking plate tectonics and sufficient carbon dioxide and oxygen ...

"Although ETIs might be rare, there is only one way to really find out, and that is by searching for it." A new study argues that conditions necessary for intelligent extraterrestrial life may be far ...