Learn how one-celled organisms, or single-celled organisms, helped build complex life.

Scientists have provided fascinating insights into the structure of single-celled organisms living in the eastern Atlantic Ocean and infamous for its pungent stench. The foraminiferal species ...

Add Yahoo as a preferred source to see more of our stories on Google. A light microscopy image shows the marine algae Braarudosphaera bigelowii, which is a potentially large evolutionary step. This ...

Too much of a good thing is no good at all. Living organisms enjoy sunlight -- in fact, many need it to stay alive -- but they tend to avoid light that is too bright. Animals go to their shelter, ...

A new part of an ocean plant cell has been discovered that might revolutionize farming one day. The structure can take nitrogen and convert it into the ingredient that helps all organisms grow. We're ...

Since the dawn of human history, we have always wondered how we got here. What processes took place that brought us from single-celled organisms into the living, thinking human beings that we are ...

Why have bacteria never evolved complex multicellularity? A new hypothesis suggests that it could come down to how prokaryotic genomes respond to a small population size. Every organism visible to the ...