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

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

Global temperature increases over the past thirty years, visualized. Credit: NOAA/NCEI Earth's average global temperatures have been steadily increasing since the Industrial Revolution. According to ...

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

Jeff Bezos sees a future with millions living in space by 2045. Robots will manage work on the Moon and other planets.

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 ...

NASA’s discovery of potential evidence of ancient life on Mars means “our galaxy could be teeming with life,” says a ...

Recent archaeological finds — from ancient submerged cities to advanced pre-dynastic toolwork — suggest civilization may have ...

Missouri State University archaeologists Daniel Pierce and Christopher Bodine are heading to Brazil to study ancient Amazonian geoglyphs that may reveal an unknown civilization.

Uzbekistan is reclaiming and preserving its rich cultural heritage through the work of the Center for Islamic Civilization in ...