Albert DeSalvo confessed to killing 11 Boston-area women in the 1960s, but he was killed behind bars just one day before he ...

Bradycardia, a slow resting heart rate, is healthy for elite athletes — but it can be dangerous if not caused by exercise ...

New research reveals when oxygen flips from stable to reactive, "singlet" form connecting the chemistry of life with ...

VO₂ max reflects how efficiently your body uses oxygen. Discover how it is measured, why it predicts health and longevity, ...

Angina might mean you're at risk for heart disease, or you already have it. Here's what you need to know about this type of ...

This alternative to chlorine bleach has plenty of uses around the home, especially in the laundry room. You're likely ...

"Dark oxygen" is being produced deep in the ocean, and scientists are baffled by the strange phenomenon, according to a new study. In science class, kids learn that plants need sunlight to do ...

Hyperbaric oxygen therapy has a new celebrity practitioner in Mayim Bialik. But what exactly is it? The "Call Me Kat" and "The Big Bang Theory" star revealed on Instagram that she'll be trying the ...

A brain freeze is a short, intense pain behind the forehead and temples that occurs after eating something cold too fast. If ...

You're likely familiar with cleaning with bleach, but you might not know there is actually a gentler, less pungent form of bleach. Oxygen bleach is a laundry and household cleaning product made famous ...