In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Jomathan Hughley says rapid innovation will come from the push for more research and long-term structures in space, including on the moon and Mars.

Searching for alien languages sheds light on how much human languages have in common—with each other and even with animal ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

For a long time, it was thought that this [technique] required telescopes in space,” says John Mather, the Nobel ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us? It’s a ...

'Do all aliens really need sunlight?' ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us?

If the government confirms nonhuman intelligence, psychological research offers clues about the range of ways humans might ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us?

For years, the search for alien life has focused on Earth-like planets orbiting distant stars. But this episode explores a ...