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Articles on Atmosphere

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It can stretch your mind to ponder what’s really out there. Stijn Dijkstra/EyeEm via Getty Images

Does outer space end – or go on forever?

Astronomers know a lot about what's in outer space – and think it's possible it never ends.
The sky can be so many different things: it can be big, beautiful and blue, or grey, cloudy and rainy. It can also be full of stars, or full of orange and red clouds at sunset or sunrise. (Shutterstock)

Curious Kids: What is the sky?

A young reader asks: What is the sky?
Breathing pure oxygen would be like fireworks exploding in your body. And that’s not always a good thing. Shutterstock

Curious Kids: what happens if you breathe pure oxygen?

You might think the more oxygen you breathe in the better. But too much oxygen can make you sick.
When Hurricane Dorian, seen here from the International Space Station, stalled over the Bahamas in September 2019, its winds, rain and storm surge devastated the islands. NASA

What makes hurricanes stall, and why is that so hard to forecast?

Hurricane stalling has become common over the past half-century, and their average forward speed has also slowed.

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