Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. In his classic science fiction novel Contact, Carl Sagan remarked, “The universe is a pretty big place. If it's just us, seems ...

Add Yahoo as a preferred source to see more of our stories on Google. Sometimes it seems like we got to the galactic party late and everyone has already gone home. Our species only figured out how to ...

Solar storms around distant stars may be erasing alien radio signals before we ever hear them In A Nutshell Stellar winds and ...

A new study suggests a novel approach in the long-running scientific endeavor to find intelligent life beyond Earth. Instead of casting a wide, speculative net across the cosmos, researchers from Penn ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

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 ...

After searching 100,000 galaxies for signs of highly advanced extraterrestrial life, a team of scientists using observations from NASA's WISE orbiting observatory has found no evidence of advanced ...