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

Jessie Hoffman Jr., 46, was put to death in Louisiana for the nearly three-decade old murder of Mary 'Molly' Elliott.

VATICAN CITY - Pope Francis has suspended the use of an oxygen mask, the Vatican said ... After a series of breathing attacks earlier in the pope’s hospital stay, his breathing has improved ...

Learn the vital steps to take when someone experiences a severe asthma attack, from recognizing danger signs to administering ...

ROME — Pope Francis, who is suffering from severe pneumonia, is now receiving almost constant supplemental oxygen, either through a breathing mask or tubes, according to people familiar with his ...

Pope Francis spent the night without a breathing mask, the Vatican press office said March 18, indicating that his need for supplemental oxygen continues to diminish.