VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

Dateline: Unforgettable Season 7 Episode 9, “The Day Alissa Disappeared,” revisits the disappearance of 17-year-old Alissa ...

Greenland's only US military base is (quietly) getting a massive upgrade Trump is threatening to attack a country that ...

Do you know what the most abundant element on Earth really is? You might be surprised to know that the answer depends on ...

Pulse oximeters use light to measure how much oxygen is in a person’s blood. For most people, a normal pulse oximeter reading is between 95% and 100%, researchers said in background notes. Readings ...

Death feels final when the heart stops, feels like all lights go out, and that’s the end of the story. But there are some ...

When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

Jonathan Crews’ 2014 shooting death and the questions surrounding suicide versus homicide are reexamined in Dateline: Secrets ...

Right now, our world is teeming with life thanks to all the oxygen, but Earth wasn't always like this. Researchers forecast ...

Learn about the risks, warning signs, and how parents can engage in life-saving conversations with their children.

New research reveals how ocean viruses burst algae cells, fueling a subsurface oxygen band through rapid microbial recycling.