Researchers at MIT found that greenhouse gases are causing Earth’s upper atmosphere to shrink. Gradually, this will lead to ...

It seems as if Earth's atmosphere is incredibly thin, wrapped tightly around our planet. In fact, the atmosphere consists of multiple layers, with some scientists of the opinion that the atmosphere ...

Thanks to these studies, we now know the five layers of the atmosphere are the troposphere, stratosphere, mesosphere, thermosphere and exosphere (see graphic). Together, these layers protect us ...