Footprints made tens of thousands of years ago may look like they’ve been erased by time and weather, but — like invisible ...

February 5, 2025 • All kinds of animals use conspicuous colors. Research from biologists at the University of Arizona found it's a quirk of evolution that started around 150 million years ago.

The Earth is made up of different layers: Therefore, instead of tectonic plates moving because of the convection currents, evidence suggests it is the plates that drive the convection. Slab pull ...

On the eve of Earth Day, a precocious seven-year-old learns about the wonders of the planet from his parents—and a mysterious exhibit at the aptly named Museum of Everything.