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 ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Why do astronomers look for signs of life on ...

Without the right oxygen balance, phosphorus and nitrogen vanish — and life can't take hold. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Life ...

Two of the most intriguing questions in science are: How did life on Earth begin? and Is there life elsewhere in the universe? Given the enormous interest in these questions, you might expect that the ...

HOW did life on Earth begin? Until 70 years ago, generations of scientists had failed to throw much light on biology’s murky beginnings. But then came three crucial findings in quick succession. In ...

An ocean world that's teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...