Explore the history of life on Earth, from 3.5-billion-year-old fossils to the vast diversity of species on our planet today.

It may seem easy to distinguish whether something is alive or not. You are alive, as is your teacher, and the trees you see on your way to school. Your desk and chair are not alive, and neither are ...

An international team led by researchers at University of California San Diego and University of California, Riverside has ...

Scientists may have found a powerful new way to hunt for alien life — not by searching for specific molecules, but by looking for hidden patterns in how those molecules are organized. Researchers ...

New method also detects molecular signs of photosynthesis almost 1 billion years earlier than previously documented; Combining chemistry and AI, pioneering method could revolutionize search for ...

The building blocks of life may exist far beyond Earth. This video explores the chemistry inside planet-forming discs, where ...

"This experiment's never been run before on another world," said Amy Williams, an astrobiologist working on the Curiosity mission.