If i travelled really far back in time, would i still be able to breathe?

Chemicals and particles in our atmosphere can have a catastrophic impact on animals, plants and humans. But what are the causes of air pollution?

One of the most important features of extrasolar planets is whether they have an atmosphere or not. For astrobiology in particular, small, rocky planets blanketed with an atmosphere offer the best hop

A mosaic image of Enceladus created from data ...

Yogic breathing is far more than a series of practical techniques, it’s a gateway to your true self, says Mark Stephens

Amazing answers to your curious questions

An aerial view of the Nile River, Red ...