Add Yahoo as a preferred source to see more of our stories on Google. For decades, humanity has scoured the cosmos for any signs that we aren't alone in the universe. But now, researchers at the SETI ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

Phil Lord and Christopher Miller turn Bay Area author Andy Weir's novel "Project Hail Mary" into a terrific science fiction popcorn movie.

While they may look and are weird, these alien Green Lanterns are dedicated to protecting the universe from evil’s might.

The space between galaxies is not empty. In a new map of the early universe, those “blank” stretches take on a faint, hydrogen-blue glow that had mostly escaped surveys until now.

The Fermi Paradox asks a simple but unsettling question: if the universe is so vast, why haven’t we found evidence of alien civilizations? Scientists have proposed many explanations, but some of the ...

In Amiri’s calculations, Dyson spheres around white dwarfs tend to produce cooler, fainter thermal emission that peaks in the near- to mid-infrared, while M-dwarf cases can radiate more strongly but ...

Shaped by a different biology or culture, other intelligent civilisations – if they’re out there – might understand the ...

Anais Möller receives funding from the Australian Research Council and the French National Centre for Scientific Research. When you look up at the night sky, it appears unchanging. But if you look ...

After setting social media abuzz by saying on a podcast over the weekend that aliens were real, former President Barack Obama said he didn't see evidence that aliens "have made contact with us." ...

Former U.S. President Barack Obama said he did not see evidence that aliens “have made contact with us,” after sending social media abuzz by saying aliens were real on a podcast over the weekend.