Oxygen

How far would you go to keep a lie under wraps?

A witness told dispatchers the man had fallen to the ground and his wheelchair was on fire.

The research could pave the way for treatments for brain damage, scientists believe.

Eighty percent of all fish in Münster's Aasee lake have already died.

Pictures of the dog being treated for a lack of oxygen have gone viral.

Petty Officer Saman Kunan ran out of oxygen while negotiating the cave's narrow tunnels.

The finding fills in the gap between volcanic eruptions and marine extinctions that had been bugging scientists.

The discovery could have profound implications for science.

"[Dead zones] are a disaster waiting to happen."

A new documentary explores the football player's rumored battle with homosexuality.

A hospital staff member had assured the victim that the machine was turned off.

New findings about the planet's distant past deepen mysteries of evolution.

The ocean can't seem to catch a break—or its breath.

The daughter of Eric Garner, whose death helped spark the Black Lives Matter movement, suffered a heart attack Saturday.

Scientists want to make sure people will be able to breathe more easily on the red planet.

Scientists say the biggest extinction event ever was caused by comparable rate of cO2 emissions to those seen today.