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 ...

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 ...

Explore the fascinating science and alien life in 'Project Hail Mary,' highlighting Rocky and the star system 40 Eridani.

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 ...

As Trump orders UFO file release, scientists debate a deeper question—if aliens exist, what would they think of humanity?

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Trump has ordered a UFO data release. But if aliens exist, what would they think of us? - For generations, human beings have ...

The question of whether aliens exist is not a new one. In science fiction films and books, people have wondered if we’re the only life in this universe and what that can imply for universes beyond ...

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, ...

On Earth, life thrives in some of the most seemingly inhospitable environments. Single-celled organisms like bacteria teem in the hot springs of Yellowstone National Park, where temperatures reach ...

A strange, tentacled object that went viral online was revealed to be a space-grown purple potato. Astronaut Don Pettit ...

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 ...