"Project Hail Mary" really pushes the limit when it comes to non-humanoid aliens. But researchers posit that real aliens could be even stranger than that.

Planets that once lived only in pulp novels and movie concept art are now turning up in real data. Astronomers are not just finding distant worlds, they are cataloguing places with molten surfaces, ...

Scientists suggest that advanced aliens might not have physical bodies, challenging traditional views of extraterrestrial ...

Star Trek's Prime Directive revolutionized the science fiction genre by promoting cooperation and non-interference with alien ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known exoplanets that may have the right conditions to support life. Using new ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer them a somewhat risky buffet. There is liquid water, as well as salts, ...