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

The inaugural Earth Day, held on 22 April 1970, was strategically scheduled between spring break and final exams to maximise ...

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

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

Fifty-six years after the first one rallied 20 million people across America, “we need to do things that make us feel more ...

Millions of people around the world will pause on Tuesday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet ...

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.

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

It is often seen as the scourge of modern society, littering our highways, byways and beaches. But now a new study argues that modern plastics are also a valuable archive documenting activities and ...