Scientists are conducting a long-term experiment on evolution to investigate how single-celled organisms could evolve into multicellular lifeforms. After thousands of generations, their yeast grew ...

Snowflakes of yeast in a lab offer insights into how life on Earth transitioned from single-celled into multicellular organisms. By Veronique Greenwood In a lab in Atlanta, thousands of yeast cells ...

Step outside, and a vast array of multicellular life greets you wherever you go—from the mushrooms and trees of our forests to the fish and seaweeds of our oceans. But for much of life’s more than 3.5 ...