This video breaks down why K2-18b has become one of the most talked-about planets in the search for alien life. A team at Cambridge says its atmosphere may contain the strongest biosignature evidence ...

A mysterious structure emerges in a distant landscape, raising new questions in the search for intelligent alien life. The ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s “habitable zone,” often considered the gold standard of potential livability An ...

Add Yahoo as a preferred source to see more of our stories on Google. If we were to ever find alien life, breaking the news to the general public could be much more difficult than one might think. We ...

A new method to recognise the chemical properties of living things could help us detect alien life even if it functions differently from life on Earth. When searching for alien life, scientists ...

After years of discovering exoplanets at a staggering pace, astronomers are now starting to distinguish the simply interesting from the truly promising. A new study highlights a select group of rocky ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 'signals of interest' with the world's largest radio telescope. When you purchase through links on ...

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

We may not have found any definitive proof of extraterrestrial life just yet, despite plenty of hope among scientists. But if we were to ever come to an answer in the form of alien biology or ...