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

The Copernican Principle, named in honor of Nicolaus Copernicus (who proposed the heliocentric model of the universe), states ...

Given the age and size of the Milky Way, there should be intelligent civilizations all over the place. But where is everybody? A new study suggests that alien civilizations could be too advanced for ...

For all the talk about life across the cosmos, Earth remains the only confirmed example. That single data point makes your ...

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

Planets lacking plate tectonics and sufficient carbon dioxide and oxygen could make advanced civilizations like ours ...

In context: Radio waves from distant galaxies are too faint to provide meaningful data for potential space observations. However, a sufficiently advanced alien civilization could harness energy in ...

The Mayans were incredibly advanced — that’s nothing new. But gauging the extent of their civilization has always proved tricky, since so much of it lies hidden by the impenetrably dense rainforests ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics. Science fiction has its fair share of ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...