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If you want to understand how interconnected our planet is—how patterns and events in one place can affect life half…

Polar sea ice grows and shrinks dramatically each year, driven by seasonal cycles. Habitat for wildlife and harbinger of changing…

What do you do when presented with a new satellite image? Here's what the Earth Observatory team does to understand…

Tiny aerosol particles can be found over oceans, deserts, mountains, forests, ice sheets, and every ecosystem in between. They drift…

Landscape sculptor. Climate driver. Life supporter. Water is the most important molecule on our planet.

It is necessary to understand what global warming is, how scientists know it's happening, and how they predict future climate.

Different orbits give satellites different vantage points for viewing Earth. This fact sheet describes the common Earth satellite orbits and…

Attempts of Renaissance astronomers to explain the puzzling path of planets across the night sky led to modern science's understanding…

Describes the net flow of energy through different parts of the Earth system, and explains how the planetary energy budget…