This model reveals how vastly different the atmosphere was on ancient Earth, and how life may have first emerged. The key to unlocking the secrets of distant planets starts right here on Earth.

NASA has selected for development a space science mission that will study how space weather interacts with Earth’s atmosphere ...

Earth's atmosphere is much more sensitive to ripples of radiation from the sun than scientists previously believed, new research by Queen's University Belfast has found. Solar flares, which are sudden ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The sun may be 93 million miles away, but that does not stop its solar ...

Earth’s atmosphere does not stop at a fixed altitude. It thins molecule by molecule, fading across hundreds of thousands of ...

A number of hypotheses have been used to explain how free oxygen first accumulated in Earth’s atmosphere some 2.4 billion years ago, but a full understanding has proven elusive. Now a new model offers ...

Scientists have finally cracked the mystery behind one of climate change’s strangest fingerprints: while Earth’s surface heats up, the upper atmosphere is rapidly cooling. Researchers at Columbia ...

The moon's surface may be more than just a dusty, barren landscape. Over billions of years, tiny particles from Earth's atmosphere have landed in the lunar soil, creating a possible source of ...

Researchers have solved a long-standing atmospheric puzzle: How rising carbon dioxide cools the stratosphere even as it warms Earth’s surface and lower atmosphere. Even as temperatures rise on Earth’s ...

The oxygen in Earth's atmosphere is key to making ours the only planet known to harbor life, but this precious resource is in limited supply. Although it is the best-known component of the air we ...