China is rapidly becoming a 'tremendous threat' in the solar system, says US Space Force leader

Earth Can Make Auroras Without Solar Activity

Planetary Defense: NASA’s Next-Generation Asteroid Impact Monitoring System Goes Online

The future of space launches: a giant spinning arm in a vacuum. Within the next eight months, SpinLaunch plans to conduct about 30 more tests of its suborbital accelerator in New Mexico — which was only putting 20% of its total power behind this first test flight