Ancient microbes illustrate a particular kind of respiration in which carbon dioxide and hydrogen are combined to form acetic ...

For diving mammals, avoiding drowning is critical to survival. Even though diving mammals have adaptations to store ...

Discover the connection between volcanic events and the rise of Earth's oxygen levels that enabled complex life to thrive.

The seals’ ability to detect the amount of oxygen in their blood may help them make diving decisions and avoid drowning.

A team of scientists have elucidated an ancient mechanism of cellular respiration. To that end, they studied bacteria that feed on the gases carbon dioxide and hydrogen, and turn them into acetic acid ...

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid ...

Discover how CO2 training improves oxygen efficiency, mental focus, and endurance for athletes through specialized breathing ...

Scientists found that volcanic eruptions triggered short-lived oxygen spikes before Earth's air became breathable.

More CO2 leads to more warming ... Ocean ecosystems play a critical role in carbon storage and oxygen generation. Some of these ecosystems are under threat; others remain unexplored.