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
![NASA ISS toolbag floating away above Earth](https://www.popsci.com/wp-content/uploads/2023/11/14/nasa-orbiting-tool-bag.jpg?w=800)
International Space Station
This tool bag is floating in space
![A gray asteroid against the black background of our solar system.](https://www.popsci.com/wp-content/uploads/2023/11/07/Asteroid.jpg?w=800)
Science
Why the heck is Earth wet?
![The particle accelerator on a one-cent coin.](https://www.popsci.com/wp-content/uploads/2023/11/02/Tiny-particle-accelerator.jpg?w=800)
Particle Physics
How physicists built the world’s smallest particle accelerator
![A white rat pops its head out of a black box. Like in humans, the rat’s hippocampus is the part of the brain where mental maps of the world are stored.](https://www.popsci.com/wp-content/uploads/2023/11/02/rats-imagination.png?w=800)
Animals
Rats may have imaginations
![An artist's rendition of the infrared aurora superimposed on a Hubble Space Telescope photograph of Uranus. The planet is blue with a white ring around it and the aurora is shown in red at its poles.](https://www.popsci.com/wp-content/uploads/2023/10/30/uranus-infrared-aurora.png?w=800)
Deep Space