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

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 ...

How could the principle of "radical mundanity" proposed by the Fermi paradox help explain why humans haven't found evidence of extraterrestrial technological civilizations (ETCs)? This is what a ...

As technological societies advance, their energy demands skyrocket, pushing them up the Kardashev scale. While fossil fuels, ...

Researchers are finding no obvious signs of life after digging through thousands of galaxy images in search of advanced civilizations. Freelance writer Amanda C. Kooser covers gadgets and tech news ...

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 ...

Hongying Chen is on a mission to find the most technologically advanced aliens out there. “Kardashev Type III civilization (K3) is a kind of very advanced civilization that is capable of fueling the ...