Scientists rethink why giant insects once ruled the skies, finding oxygen may not explain their size or disappearance.

Scientific consensus is that high oxygen levels allowed these humongous fliers to exist, but a new study throws that idea ...

A new MRI method measures cardiac oxygen use in three minutes without catheters or radiation, offering a simpler way to study ...

Three-hundred-million years ago, Earth was very different. The continents had coalesced into Pangea, which was dominated in ...

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 ...

Dartmouth researchers have developed a cell phone-based tool that monitors tissue health by using a naturally occurring ...

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 ...

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 ...

Patients continuously monitored after surgery experienced significantly less time with dangerously low oxygen levels compared ...

Apple with the Apple Watch Series 6 introduced a new feature for monitoring blood oxygen level, using the LEDs at the back of the Apple Watch to determine the amount of oxygen in the blood. A low ...