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

Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key ...

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 the atmosphere.

When we view deep-space objects through backyard telescopes, we typically don’t see much color. The big exception is the bright green in certain nebulae. The secret behind this color constitutes a ...

The evaluation of new drugs designed to treat specific anemias should include a thorough understanding of underlying pathophysiology, with a focus on enhancing oxygen transport. In this concise review ...