One small artifact opened up a world of discovery of a Neolithic civilization with a remarkably advanced social structure.

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

The first unmistakable signal from another intelligence may not be a cheerful greeting. A growing group of researchers is ...

If fusion energy is a must-have for advanced civilizations, evidence of its use could help us find aliens. A new study led by the University of Washington analyzes how deuterium-deuterium (DD) fusion ...

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 ...

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For decades, the search for extraterrestrial intelligence has largely been predicated on a specific assumption: that advanced civilizations will inevitably grow, expanding their energy consumption and ...