At altitudes over 2,400 metres, lack of oxygen — a condition called hypoxia — can cause acute mountain sickness. Incidence ...

For most of human history, the night sky has been a shared inheritance, a source of wonder. Now, more than a billion children ...

He and the other two hundred and ten passengers on Singapore Airlines Flight SQ321 had been in the air for more than ten hours. Their flight had taken off the night before from the United Kingdom, ...

The bottom line: Strength training isn’t a shortcut to a higher VO2 max, especially for established runners, but it can ...

Obstructive sleep apnea induces a metabolic chain reaction that leads to increases in weight and blood sugar levels, among other unhealthy changes.

Editor's Note: APYs listed in this article are up-to-date as of the time of publication. CNBC Select will update as changes are made public. With a high-yield savings account, your APY can be ten ...

Whether you use an armband or chest strap, add some smarts to your exercise and training routine with one of the top heart rate monitors we've tested. I'm PCMag's managing editor for consumer ...