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

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

Earth Day 2026 is the largest civic observance on the planet. Yet few organizations mark it. Here are four actions to take ...

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

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

World Earth Day highlights environmental protection and sustainability. Read about World Earth Day 2026 theme, history, and ...

Here's what to know about Earth Day 2026 and how the holiday came to be.

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

Deep within Earth’s core, scientists are uncovering signs of a hidden structure that challenges long-standing models of the planet’s interior.

Bork!Bork!Bork!: Dynamic Earth's ancient rock holds not primordial crystal, but a tiny Linux box having a bad day ...

India, April 22 -- Earth Day 2026 is once again set to bring millions together across the globe in a unified call for ...

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