The curious minds at What If explore what would happen if the James Webb Space Telescope actually discovered alien life.

Could intelligent alien civilizations really exist somewhere beyond Earth? As advanced telescopes continue discovering new potentially habitable worlds every year, that possibility seems more ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Wherever you are reading this, look around you. Every living thing you can see – other people, pets, birds flying past, trees, flowers, mushrooms, fish – is here because of unions between different ...

Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature Astronomy, researchers discuss the consequences of these so-called ...

Stromatolites, formed by microbes, represent some of the oldest known evidence of life on Earth (Image: Getty) Scientists have uncovered extraterrestrial material inside an Earth crater that they ...

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 ...