By most measures, Norwegian triathlete Kristian Blummenfelt is the standard of peak performance in athletics. He won the gold ...

Microscope image of fossilised plankton called foraminifera which were used in the study. Credit: Anya Hess A new study suggests the world's oxygen ...

Key findingsArabian Sea was better oxygenated 16 million years ago than it is today, despite warmer climate conditions.Monsoons, ocean circulation ...

VO₂ Max — the maximum amount of oxygen the body can use during exercise — is recognized by the American Heart Association as one of the strongest indicators of cardiovascular health and longevity.

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Soreness is harder to quantify, and even experienced runners will get achy after a grueling workout. Frankly, a runner is ...

Apple bet big on a dramatic redesign of its iPhone last year, the biggest shakeup to its flagship smartphone in nearly a decade. But the slimmer iPhone Air hasn’t seemed to resonate with buyers.

I gave the new ChatGPT Health access to 29 million steps and 6 million heartbeat measurements. It drew questionable ...

If you’re stuck in a speed rut, these coach-backed tips will help you to boost your pace ...

We’re talking about plyometrics – a branch of exercises that involve fast, explosive movements like jumping, hopping and ...

From contrast therapy to rhythmic health, experts are placing renewed focus on recovery, rest, and repair. Read on for some ...

Cardiologists say shoveling snow can increase a person's risk of experiencing a heart attack.