Outlining plans for living and working on Mars, the space agency is focusing on oxygen, food, water, power, spacesuits, ...

Astronomers have made the surprising discovery of oxygen and elements like heavy metals in the most distant known galaxy. The ...

Find out what happened to Jeanine Cammarata, 37, a Staten Island teacher and mom who vanished and was later found dead and burned in her husband's storage unit.

Pope Francis' condition has improved enough that he will be discharged from a hospital in Rome on Sunday and sent to recover ...

The 88-year-old pontiff has been hospitalized for six weeks with pneumonia in both lungs. He will need to rest in the Vatican ...

Pope Francis will be released from the hospital on Sunday after 38 days battling a severe case of pneumonia in both lungs ...

The cardinal, who is the head of the Vatican's doctrinal office, dismissed speculation that the pontiff would retire and said he was returning to his old self ...

Scientists at Goethe University uncover how the oldest enzyme in cellular respiration functions – opening the door to potential CO₂ removal from exhaust emissions. Animals, plants, and many other livi ...

Tyler Andrews will try to climb Everest from the South Side, without oxygen, in under 20 hours. This would be the fastest ...

Pope Francis is recovering well from pneumonia and that a "new stage" in his pontificate would open, two of his closest advisers said Friday, offering notes of optimism as the 88-year-old pontiff hit ...

Pope Francis is slowly regaining his strength in hospital but must "relearn to speak" after prolonged use of high-flow oxygen ...

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