Science
Science spans our understanding of how Earth and the cosmos work. Get the biggest news on biology, physics, space, dinosaurs, and more—along with the latest episodes of the Ask Us Anything and Weirdest Thing podcasts.
Latest in Science
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Ask Us Anything
Why don’t we grow to be 10 feet tall?
![Why you’re more likely to cry on an airplane](https://www.popsci.com/wp-content/uploads/2019/04/26/OWI23FV34C6AZQZNNGLVJDAIP4.jpg?w=685)
Ask Us Anything
Why you’re more likely to cry on an airplane
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Private Space Flight
What SpaceX’s latest failure means for the rest of American spaceflight
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Fitness & Exercise
Try this illusion on the treadmill and running will never be the same
![astronaut running a marathon in space](https://www.popsci.com/wp-content/uploads/2019/02/27/APGZNGEN7F2VVJQT7LWGTSZEW4.jpg?w=600)
Fitness & Exercise
Running a marathon in space made me finally appreciate gravity
![1-micrometer DNA injection needle](https://www.popsci.com/wp-content/uploads/2019/03/18/7RUVHAV5ZHT6RQDZ2YWOXXZODA.jpg?w=600)
Science
The tiniest tools scientists use
![How fear affects your body](https://www.popsci.com/wp-content/uploads/2019/03/18/W4QAL7WY2GCNDUSHBGZANDD2UI.jpg?w=600)
Health
How fear affects your body
![I Want Cotton Candy](https://www.popsci.com/wp-content/uploads/2019/03/18/6KNEGANTK4O75EZ7IWLYWVQYCQ.jpg?w=485)
Science