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Latest in Science
![Heat of sun radiating through cold of space](https://www.popsci.com/wp-content/uploads/2021/08/18/sun-hot-space-cold-nasa.jpg?w=800)
Deep Space
Why is space cold if the sun is hot?
![Axiom-2 mission astronaut headshots in a row of 4](https://www.popsci.com/wp-content/uploads/2023/02/16/axiom-2-mission-astronauts.png?w=800)
International Space Station
Private space missions will bring more countries to the ISS
![An airplane taking off toward the camera at dusk, with lights along the runway and on the front of the plane, against a cloudy reddish sunset.](https://www.popsci.com/wp-content/uploads/2022/07/11/josue-isai-ramos-figueroa-n2NBgIx3A28-unsplash.jpg?w=675)
Ask Us Anything