What if the government offered you a one‑way ticket to another planet? This video explores the astonishing story of a secret human‑alien exchange mission that sent astronauts 40 light years from Earth ...

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

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

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

The show marked a significant shift in the franchise, deviating from the series’ conventional deep-space setup and taking the ...

Star Trek is packed with all sorts of alien, both on the Enterprise and throughout the final frontier, and these are the ...

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

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

Twelve humans were selected for a mission unlike anything in history—traveling 40 light years to an alien world. But what ...

TOI-4616 b is an Earth-sized exoplanet orbiting an M-dwarf that offers a strong benchmark for studying atmospheric loss and ...

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

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