ESA’s Rosetta spacecraft has made the first in situ detection of oxygen molecules outgassing from a comet, a surprising observation that suggests they were incorporated into the comet during its ...

Our bodies need oxygen to survive, just like many other organisms. Oxygen molecules are used to create a molecular fuel called ATP for our cells in an organelle called the mitochondria; this process ...

A new study from the University of Helsinki reveals how plant mitochondria draw molecular oxygen away from chloroplasts, an ...