The Planetary Health Check is a key monitor of earth's vital signs—and will guide action for a more sustainable world.

Ah, Earth. We may not think about our planet on a day-to-day basis, but the world we live in is a pretty interesting place. The third rock from the Sun—and to this day, the only one with known ...

This year’s Earth Hour also served as a stark reminder of the twin crises we face—climate change and nature loss. Nature is disappearing at an alarming rate, and this past year was officially the ...

Everyone knows the names of the planets, but Earth feels different. It doesn’t sound powerful like Jupiter or mysterious like Neptune. It’s plain, familiar, and oddly comforting; it’s a word that ...

Earth has existed for more than 4 billion years without present-day humans. In the past, dinosaurs and cavemen never used its plentiful natural resources. Today, with 8 billion humans on this planet, ...

These hand-picked National Geographic stories show how the world is bracing for—and embracing—its future. Around the world, forests face existential threats from deforestation, climate change, pests, ...

Our medium-sized sun, in contrast, will shine for some 10 billion years before exhausting its fuel. SEE ALSO: NASA scientist viewed first Voyager images. What he saw gave him chills. The small Jupiter ...

Today, more than 70% of Earth is covered in liquid water. But long before the sea became a familiar feature of our planet’s surface, the water that now fills our oceans, lakes, and streams was ...