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

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 ...

For decades, scientists engaged in the Search for Extraterrestrial Intelligence (SETI) have probed the galaxy for signs of ...

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.

Galaxies "blazing with technosignatures" could suggest the existence of a "large number" of "different metasocieties." ...

Human civilization ranks 0.72 out of 3 on the scale of technological advancement, far from controlling planetary, stellar, or ...

"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 ...