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

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 ...

Space contains objects far more extreme than our Sun, including neutron stars, pulsars, quasars, white dwarfs, and black holes. Each produces radically different environments shaped by intense gravity ...

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

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

Add Yahoo as a preferred source to see more of our stories on Google. Did Obama confirm the existence of aliens, only to walk it back? After saying “they’re real” on Brian Tyler Cohen’s podcast, the ...

Elon Musk had some bizarre things to say at a recent xAI meeting. Credit: Hakan Nural/Anadolu Agency via Getty Images And in an unusual move, xAI posted the entire 45-minute meeting online. The most ...

The combustible sedimentary rock, better known as coal, was not only crucial to the onset of advanced technology here on Earth, but it should also be key to the development of advanced E.T.s residing ...

Over hundreds of thousands of years, humans somehow evolved a type of intelligence found nowhere else in the animal kingdom, at least on Earth. According to the most famous theory describing the ...

The probability is very high that there are no aliens within detection range of Earth Our radio and TV broadcasts would be detectable only out to about 50 light-years from Earth, unless the aliens ...