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

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 ...

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

It is one of the most famous questions in science, and it was asked, as legend has it, over lunch. Enrico Fermi, the ...

The curious minds at What If explore the possibility of an alien civilization existing on Proxima b, imagining how they might ...

There is a silence in the night sky that has bothered me for as long as I can remember. ” That observation, attributed to ...

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

What if aliens heard us broadcasting our existence?

There is a silence in the night sky that has bothered me for as long as I can remember. ” Richard Feynman’s reflection lingers because it feels personal.

Donald Trump’s out-of-left-field announcement that he’s ordered the release of government files on alien life has set off a ...

What kind of government doesn’t want to keep its own law-abiding population safe and secure, by locking up as many violent ...

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 ...