A team has created the most complete map of the world's rivers ever made offering a major leap forward for flood prediction, climate risk planning, and water resource management in a warming world.

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 ...

Flat maps, designed to offer a consistent representation of Earth, reveal inaccuracies in countries' sizing. Some nations near the Poles appear significantly larger than they truly are ...

Languages: English Earth Day will be celebrated around the world on Tuesday, April 22, marking more than half a century since its inception as a grassroots environmental movement in the United States.