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

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 ...

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

Archaeologists excavating at Tadım Fortress and Höyük in eastern Turkey have unearthed a remarkable stone seal dating back 7,500 years, pushing evidence of organized settlement in the Elazig region ...

If so, why haven’t they said hello? The humble residents of this pale blue dot have been on a quest to find an alien civilisation for more than a century. First, it was the “canals” of Mars. Then ...

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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 ...

Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...

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 ...