A new study suggests that ancient microbes once cast as oxygen haters may have actually learned to use the gas, offering a ...

Ancient microbes tied to our earliest ancestors could use oxygen, reshaping ideas about how complex life began on Earth.

A team led by Brett Baker at the University of Texas at Austin has found that some Asgard archaea, the ancient microbial group most closely related to all complex life on Earth, carried the molecular ...

Learn how oxygen’s early rise could have given complex life the energy boost it needed to evolve.

Some of Earth’s earliest microbes evolved the ability to use oxygen hundreds of millions of years before it accumulated in ...