When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

These underground rodents are the first mammals found to actively choose air with lower-than-normal oxygen levels. Their ...

Can you hold your breath for half an hour? In 1988, Jean Reno and Jean-Marc Barr were crazy enough to make this poetic drama ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

That four-mile trek could mark the first leg of Artemis II, a 10-day journey around the moon and back that will put the ...

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxaemia) give ...

Ollie Williams, aged five, is in a wheelchair and needs help eating and breathing - parents Ben and Amy don’t want to see ...

Four Artemis II astronauts plan to fly around the moon and back next month, traveling farther from Earth than any humans ...