Long before dinosaurs, Earth’s forests were ruled by a many-legged giant. Here’s why this millipede’s size still challenges ...

A small fleet of modified Eagles continues to provide valuable service to NASA even as the Air Force counts down to fully divesting the jets.

The Arctic ground squirrel survives conditions that would cause irreparable brain damage in almost any other mammal on the ...

Chest pain or palpitations can signal hidden heart trouble. Know when an ECG test is needed, what results show, and when to seek urgent care.

Sleep apnoea is a disorder where your breathing stops and starts while you sleep with serious health implications - but how ...

Pulmonary function tests are a group of noninvasive breathing tests that measure how much air your lungs can hold, how quickly you can move air in and out and how efficiently your lungs transfer ...

Slower oxygen recovery after a 6-minute walk test may predict poorer lung function and a higher risk for disease progression in patients with fibrotic interstitial lung disease.

A team of scientists announced Tuesday they have developed new deep-sea landers specifically to test their contentious ...

CU Anschutz sports cardiologist William Cornwell, MD, says there are meaningful benefits for every person knowing how much oxygen they absorb during exercise.

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 ...

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are ...