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

Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping argues as much, and his “Eschatian Hypothesis” reimagines the way ...

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 ...

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 ...

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 ...

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To find advanced civilizations, you don’t need to go hunting for megastructures or hypothetical space probes. You could find civilizations just a few centuries ahead of us by looking for a key element ...

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 ...

Exoplanets in the habitable zone of their stars discovered by the Kepler Space Telescope - matching the Earth-Sun system - are prime targets for SETI "technosignature" searches ahead, say leading-edge ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. "Where is everybody?" That famous phrase, uttered over lunch by eminent physicist Enrico Fermi, ...