We like to think of our home as a nice, smooth sphere. But mapping the Earth’s gravitational field provides a different view of the planet.

For centuries, Earth has been pictured as a near-perfect blue sphere floating through space but a new high-precision gravity ...

Why should I stop talking about the Earth-moon-Sun system? There really is no reason. So, let me continue the discussion with a short tutorial that goes through the steps to make this model. There isn ...

This hands-on, guided-inquiry activity helps students to understand the geometry of lunar and solar eclipses by creating a physical, proportional model of the Earth and Moon system and observing ...

Earth supports a breathtaking range of geographies, ecosystems and environments, each of which harbors an equally impressive array of weather patterns and events. Climate is an aggregate of all these ...

Flat Earth memes often claim space photos are fake, yet thousands of live-streamed videos from the space station show Earth rotating beneath. These feeds, combined with astronomical observations from ...