We have only one example of biology forming in the universe — life on Earth. But what if life can form in other ways? How do you look for alien life when you don’t know what alien life might look like ...

We have only one example of biology forming in the universe – life on Earth. But what if life can form in other ways? How do you look for alien life when you don’t know what alien life might look like ...

Astrobiology faces the fundamental challenge of searching for extraterrestrial life without a universal definition of life or examples beyond Earth, despite the discovery of over 5,000 exoplanets, ...