A nihilistic alien civilization sounds like one that would simply lose hope, abandon progress, and fade away. But this ...

Astrobiology—the study of life in the universe, from how it began and evolved to how it might take shape elsewhere—is the ...

Imagine a super-advanced alien civilization that needs insane amounts of energy way beyond our puny solar panels and wind turbines to power their mega-cities, AI overlords, or whatever interstellar ...

For decades, science fiction writers have tried their best to prepare us for eventual contact with aliens. Their efforts are dominated by several recurrent tropes. There's the invasion by a warlike ...

The search for intelligent alien life reaches far beyond simply finding another habitable planet. Across the universe, ...

If humanity ever makes contact with an intelligent extraterrestrial civilization, we will have no shortage of questions.

The British daily the Guardian on the 11th (local time) highlighted the problem of the “great silence” in our vast and ...

For decades, SETI researchers have focused on finding narrow-band radio signals that might stand out from the natural universe. But what if an advanced civilization that wanted to communicate would ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

Scientists around the world have spent decades pointing radio telescopes at the sky, hoping to catch that one signal proving we’re not alone in the universe. But now researchers at SETI are asking: ...

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.