Click on an image to compare photos before and after the start of Earth Hour.

A conceptual rendering suggests how Earth's land elevations and oceans may have appeared during the assembly of Kenorland, left, and later, right, after the Great Oxygenation Event. A University ...

Gaylord Nelson, the late U.S. senator and governor of Wisconsin, is considered the founder of Earth Day, which started in ...

And one of the invisible bands, which is unlike any similar structure seen before, might still be there. In May 2024, Earth was hit with its biggest geomagnetic storm in 21 years after a barrage ...