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

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 ...

Imagine the tree of life. The tip of every branch represents one species, and if you follow any two branches back through time, you'll hit an... Life as we know it descended from a single cell. What ...

In a groundbreaking experiment, researchers have brought a mouse to life with the help of a single-celled organism that existed long before any multicellular animals walked the earth. Genetic research ...

A globally distributed single-celled organism that occurs in harmful algal blooms has been found to exhibit an unusual organisation of photosynthesis. Researchers have taken a closer look at the ...

Ten years ago, nobody knew that Asgard archaea even existed. In 2015, however, researchers examining deep-sea sediments discovered gene fragments that indicated a new and previously undiscovered form ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

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

Though they live only a few hours before dividing, bacteria can anticipate the approach of cold weather and prepare for it. The discovery suggests that seasonal tracking is fundamental to life. Every ...