Over time, they noticed that the atmosphere had distinct layers. By the early 1900s, scientists had identified major layers of the atmosphere based on how the temperature changed at different ...

When you look at photographs of Earth from space, the planet looks like a blue marble, with patterns of clouds lying on the surface of the marble. It seems as if Earth's atmosphere is incredibly ...

Imminent loss of NASA's Aura and Canada's SCISAT will severely diminish scientists’ ability to monitor ozone-depleting substances in the stratosphere.