In a new review, scientists warn that this rapidly escalating, human-driven crisis threatens to upend the biosphere. The ...

Oxygen outweighs every other element in the human body, a fact confirmed across peer-reviewed biomedical literature and one that quietly shapes how hospitals calculate radiation doses for millions of ...

Oxygen is brought to skin cells by the hemoglobin in our red blood cells. As we age, more and more oxygen is brought to our vital organs and less to skin cells, causing capillaries to dry and ...

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 ...

COLLEGE PARK, Md. — Using NASA’s Spitzer Telescope, an international research team has found evidence that some stars in the center of the Milky Way galaxy have both carbon and oxygen in the dust that ...