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 ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

Earth's lakes are experiencing an alarming drop in oxygen levels, new research shows. Similar trends have also been observed across rivers and seas. But some lakes are losing oxygen up to nine times ...

Oxygen is one of the many components that make life on Earth possible. However, a new study says that an extreme drop in oxygen could one day suffocate most of the life on our planet. Luckily, that ...