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 ...

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 ...

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.

What if aliens heard us broadcasting our existence?

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

Although they were popular at the time, sci-fi series like Babylon 5 and The Sarah Jane Adventures, feel like they were meant ...

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

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

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