It's no secret that Earth is doomed. Sure, there's the threat of climate change and the fact that sea levels are rising around the world. But that's not what we're talking about. Instead, our planet's ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth with a glowing horizon For now, complex life flourishes on our planet thanks to its supply of oxygen. But Earth's atmosphere ...

The oxygen desaturation index (ODI) measures how often and how much your blood oxygen level drops while you sleep. A normal ODI is fewer than five desaturation episodes per hour of sleep, and anything ...

Oxygen is one of the many components that make life on Earth possible. However, a new study says that an extreme drop in oxygen could one day suffocate most of the life on our planet. Luckily, that ...

A global drop in oxygen levels about 550 million years ago led to Earth's first known mass extinction, new evidence suggests. The height of the Ediacaran period, about 550 million years ago, was a ...

This story was originally published by Yale Environment 360 and is reproduced here as part of the Climate Desk collaboration. Off the coast of southeastern China, one particular fish species is ...