Millions of people around the world will pause Wednesday, at least for a moment, to mark Earth Day. It's an annual event ...

Earth Day often inspires communities to come together through volunteer work, and 2026 won't be much different.

See stunning photos of Earth taken from space by astronauts and robotic spacecraft, celebrating our home planet on Earth Day.

This Earth Day, we reflect on our home planet and look at Earth from space through history.

Wednesday is Earth Day, a global day of support that raises awareness about the environment. Kathleen Rogers is the CEO of ...

From its 1970 origins to today's climate action, here's why Earth Day is observed each April 22 and what the day represents.

From its 1970 origins to a global movement, Earth Day 2026 highlights the power we all have to protect our planet.

Astronauts and robotic spacecraft have captured breathtaking photos of Earth from space for decades. See the best images.

The history of Earth is written on the great tablets of tectonic plates. The motions of plates shaped land masses, formed oceans, and created the varied climates and habitats that set the stage for ...

Fresh takes on Apollo’s famous “Earthrise” and “Blue Marble” images showed off our planet’s beauty just weeks before Earth ...

"Our Power, Our Planet is Earth Day 2026’s theme reflecting a fundamental truth: environmental progress doesn’t depend on any single administration or election. It’s sustained by daily actions of ...

The live event will take audiences on an extraordinary journey through a century of exploration and discovery in the natural ...