Space
The latest discoveries from space agencies and astronomers as they explore galaxies, black holes, exoplanets, and more. Also learn about night sky watching events right here on the home planet.
Latest in Space
![CERN scientists in hard hats putting antihydrogen in a vacuum chamber tube to test the effects of gravity on antimatter](https://www.popsci.com/wp-content/uploads/2023/09/27/antimatter-gravity-first-evidence.jpg?w=675)
Particle Physics
Does antimatter fall down or up? We now have a definitive answer.
![Gold atom with nucleus and floating particles to depict what is matter](https://www.popsci.com/wp-content/uploads/2023/09/22/what-is-matter-atom-illustration.jpg?w=781)
Particle Physics
What is matter? It’s not as basic as you’d think.
![Rocket engine test ignition](https://www.popsci.com/wp-content/uploads/2023/09/18/Screenshot-2023-09-18-at-1.26.53-PM.png?w=801)
Private Space Flight
Watch a rocket engine ignite in ultra-slow motion
![This US astronaut will have spent an entire year in orbit](https://www.popsci.com/wp-content/uploads/2023/09/12/blog_iss069e070724.jpg?w=800)
International Space Station
This US astronaut will have spent an entire year in orbit
![Illustration of laser communication satellite array and the ISS above Earth](https://www.popsci.com/wp-content/uploads/2023/08/31/illuma-t_to_lcrd.jpeg?w=800)
International Space Station
Space lasers could beam information to Earth by the end of the year
![SpaceX rocket docked at launch pad](https://www.popsci.com/wp-content/uploads/2023/08/25/52822653443_d2dceaca61_k.jpg?w=800)
Private Space Flight
DOJ is suing SpaceX for years of workplace discrimination
![Virgin Galactic VSS Unity spacecraft orbiting Earth](https://www.popsci.com/wp-content/uploads/2023/08/10/G01_Flightday_SelectsUprez17.png?w=800)
Private Space Flight