A study analyzing these modules reveals that these rocky lumps are capable of producing “dark oxygen” 4,000 meters below sea level where light cannot reach.

Scientists predict that the oceans' oxygen levels could drop 3 to 4% by the year 2100. As that happens, oceans will undergo drastic losses of biodiversity, and entire ecosystems could be wiped out.

Oxygen levels in the Earth's atmosphere are likely to have 'fluctuated wildly' one billion years ago, creating conditions that could have accelerated?the development of early animal life, according to ...

Mercey Livingston is a health and wellness writer and certified Integrative Nutrition Health Coach. She's written about fitness and wellness for Well+Good, Women's Health, Business Insider, and ...

Trapped gases in 1.4 billion-year-old salt crystals reveal ancient secrets about oxygen and carbon dioxide levels on early ...

Vital signs, those fluorescent green numbers that beep, ding, and dash across black screens on the monitors in hospital rooms, have become a new source of angst during the coronavirus pandemic. One of ...

An aerial view of a river surrounded by trees (Brian Beckwith/Unsplash via Courthouse News) (CN) — Inland waters like rivers, lakes, streams and reservoirs need oxygen to survive, just like we do, but ...

A New Hampshire emergency room doctor says simple technology could save lives in the fight against the coronavirus. Dr. Richard Levitan, who has three decades of experience, volunteered last month at ...

My first visit to high altitude didn’t go well. I was at a training camp in the French Alps, and on one of our easy days my ...

Hypoxia refers to low oxygen levels in waters near the sea floor, making affected areas uninhabitable for fish and other marine life.

FILE - A health worker uses a pulse oximeter to check the oxygen saturation level of another after administering COVID-19 vaccine at a hospital in Gauhati, India, Jan. 21, 2021. (AP Photo/Anupam Nath, ...