FARGO — Our planet Earth is tilted. That is to say, its axis of daily rotation is tilted about 23 and a half degrees from its axis of revolution around the sun. It is this tilt that gives us seasons.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A single rotation of our planet takes 24 hours and ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Climate change is altering the Earth to its literal core, new research suggests. As polar and glacial ice melts because of global warming, water that was once concentrated at the top and the bottom of ...

Earth’s Rotation Day 2026, observed on January 8, highlights how Earth’s constant rotation shapes day and night, climate, weather, and life itself, celebrating science, discovery, and human curiosity.