They’re hole-ar powered. If super-advanced alien civilizations exist, they would surely require insane amounts of energy to ...

Looking ahead: Existing radio surveys may contain signals that were never recognized as potential technosignatures. New ...

What if the closest intelligent aliens aren’t light-years away in deep space, but buried millions of years deep in our own planet’s geological history? This mind-bending concept explores whether Earth ...

Imagine receiving a message from another world. Not from a distant galaxy millions of light years away, but from a planet ...

Add Yahoo as a preferred source to see more of our stories on Google. Collage of a telescope under a starry sky and a planet in space. Earthlings, brace yourselves: the galaxy may be emptier than your ...

We’ve likely had at least one close encounter of the 3I kind before. Harvard scientist Avi Loeb claims that not only does 3I/ATLAS potentially have alien origins, but that this wouldn’t be the first ...

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 ...

"I really wanna see the mass driver on the moon that is shooting AI satellites into deep space. Just going like 'shoom, shoom,' just one after the other." Reading time 5 minutes At the risk of stating ...

“There is a silence in the night sky that has bothered me for as long as I can remember.” That line, attributed to Richard Feynman, lands because it gets at a simple, stubborn feeling. The sky looks ...

Elon Musk’s plans for the future of SpaceX, and humanity, are rooted in an idea conceived in the 1960s when astronomers began to pick up mysterious, unknown radio sources in the cosmos. Soviet ...

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 ...