"It is collectively the effects of all the things we do that are changing the atmosphere ... "There's so much evidence now that the Earth's operating system is different from these thousands ...

Keep reading to learn more about Earth's different layers, its atmosphere, and what makes the "blue planet" unique. Earth is made out of different layers, and those layers get hotter and more ...

"The moon flies through Earth's atmosphere," Igor Baliukin, a space physicist at Russia's Space Research Institute in Moscow, said in a European Space Agency (ESA) press release. "We were not ...