The atmosphere is the key to life on Earth. This thin layer is what protects us from the hostile environment of space. Here you can learn all about the atmospheric sciences.
Is humid air heavier than dry air?
If humid air is just air plus water, then it has to be heavier than dry air, right? Get the answer and learn about humidity and molecular physics. See more »
Is the cloud spiral phenomenon real?
What is a cloud spiral and is it a real weather phenomenon? Find out. See more »
What is the rarest weather phenomenon?
What is the strangest weather-related thing that could happen? Raining frogs? A triple rainbow? Or something else? See more »
10 Myths About Rainbows
Rainbow myths include everything from how and when they appear to the colors they contain. Check out these 10 rainbow myths at HowStuffWorks. See more »
10 Scientifically Sound Weather Superstitions
Weather superstitions have been around for ages, but is there any truth to them? See 10 weather superstitions that are actually based on science. See more »
Is every snowflake actually unique?
You've heard that no two snowflakes are alike, but is that true? Learn how molecules of water come to form these winter wonders at HowStuffWorks. See more »
Why does humidity make my hair frizz?
When the air is humid, your hair gets frizzy. Find out why humidity and frizziness unfortunately go together at HowStuffWorks. See more »
What's a polar vortex?
During the unusually cold winter of 2014, the term 'polar vortex' got quite a workout. Find out what a polar vortex is from HowStuffWorks. See more »
10 Best Spots on Earth to Watch the Auroras
What are the 10 best spots on Earth to watch the auroras? Learn about 10 places that offer incredible views of the auroras. See more »
Why are the auroras seasonal?
Why are the auroras seasonal? Find out why you can only see auroras during certain seasons of the year. See more »
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