Early Earth may have reached a sweet spot when cooler crust and widespread hydrothermal systems gave fragile prebiotic chemistry time to persist.

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. a new visualization of Earth looks nothing like the Blue ...

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 ...

The key to unlocking the secrets of distant planets starts right here on Earth. Researchers at Tohoku University, the University of Tokyo, and Hokkaido University have developed a model that considers ...

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 ...

The Sun may carry chemical and structural traces of a large rocky planet that disappeared early in the solar system’s history ...