The USMNT head coach says there was a "risk" in his squad playing in sultry Austin and chilly Denver across four days ...

You wouldn’t notice it at first. But every second, the air around you is thinning, just a little. Within 30 seconds, you’d be ...

When climbing a mountain, it's important to prepare yourself, to avoid altitude sickness. Here's what you need to know before ...

During the winter months, Southern California-based NASA aerospace engineer Frank Tai and his wife get their mountain-town fix through their condo in Breckenridge. For years the fix came with a cost: ...

Oxygen Plus's best-selling products – the O+ Mini, O+ Skinni and O+ Biggi – are increasingly available in grocery stores and specialty retailers nationwide catering to active, wellness-minded ...

There’s a reason elite runners flock to towns such as Park City, Utah (altitude 6,936 feet above sea level), Flagstaff, Arizona (6,821 feet above sea level), and Mammoth Lakes (7,881 feet above sea ...

Researchers at Gladstone Institutes develop a drug that mimics the cellular effects of low-oxygen therapy for the treatment of inherited mitochondrial diseases. Seen here is Skyler Blume, first author ...