Attention human. You are receiving an interstellar radio transmission. And it could be coming from one of the nearest ...

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 ...

Most of our experience with the Search for Extraterrestrial Intelligence (SETI) has focused on capturing radio signals that ...

Add Yahoo as a preferred source to see more of our stories on Google. Image: NASA For roughly four billion years, the Moon has been collecting things. No weather to scrub the surface. No plate ...

The age of our universe and the commonality of Earth-like planets indicates the possibility of alien civilizations either ...

Researchers propose that tiny technological remnants from extinct alien civilizations could have landed on the moon after ...

Spread the loveImagine, for a moment, that the answer to one of humanity’s most profound questions – ‘Are we alone?’ – isn’t ...

When astrobiologist Adam Frank walked into the office of NASA scientist Gavin Schmidt, he had what he believed was the weirdest question: do aliens experience climate change? It took just moments for ...

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 ...

There has long been debate about the existence of extraterrestrial life and advanced alien civilizations out there in the ...

(Esben_H/iStock/Getty Images Plus) The Fermi paradox asks: If there are other civilizations in the Universe besides ours, why haven't we yet made contact? Researchers who study this paradox – also ...

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 ...