Researchers found LUCA, our earliest common ancestor, lived 4.2 billion years ago. It had a complex biology, affecting its ...

How animate life was formed from inanimate matter has always been a mystery, but scientists are closer to finding what may ...

A molecule detected on a planet 124 light-years away is produced on Earth by decaying phytoplankton and other microbes. There is no other known source.

At 45, Nikku Madhusudhan has made the discovery of a lifetime. How did he know where to look? What else could these gas ...

NASA's Curiosity Rover has discovered long carbon chains on Mars. On Earth, molecules like these are overwhelmingly produced ...