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

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

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

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

What would they think of us? It’s a question that can produce some, well, uncomfortable answers if you happen to be an ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

Science writer Becky Ferreira explains biomarkers that scientists can look for to determine whether alien life is inhabiting ...

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

"It really bent your mind." The Artemis astronauts’ reflections echo a long described change that occurs when humans are ...

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

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.