As of the beginning of 2025, nine countries possess an estimated 12,331 nuclear warheads and some are still increasing their ...
The Dark Energy Spectroscopic Instrument (DESI) is mapping millions of celestial objects to better understand dark energy—the ...
From GPS navigation systems to images of current events taking place on the other side of the planet, the world in 3D is ...
A team of international scientists compiled decades of data to create a map showing the topography of Antarctica with the ice ...
Legend has it that a headless sculpture of the god Yaxachtun at the site formerly terrified the local Lacandon people, who feared that the world would end when the head was replaced. With its ...
Flat, two-dimensional maps can look different because the world is actually curved. This means map-makers need to make compromises when drawing maps. These different map representations are called ...
The introduction of writing systems changed the world. It allowed humans to physically express thoughts and language, as well as record events for future generations to study. Although different ...
mathematics, art and architecture, and a glyph system of writing on stone, ceramics, and paper. Using the labels on or below the map below, visit 15 of the better-known Maya sites.