Does orbital motion really follow a simple mathematical law? 🛰️ This video shows how to verify Kepler’s Third Law for circular orbits, connecting orbital period and radius through gravitational ...

Pablo “Popi” García Borboroglu and Bertie Gregory have been named the 2025 Rolex National Geographic Explorers of the Year. Borboroglu has been an Explorer since receiving the National ...

With major eclipses, brilliant supermoons, and lineups of five or more planets, 2026 offers something awe-inspiring in every season. Here’s what to watch for. Solar prominences and their associated ...