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

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

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.

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

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

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

Earth Day 2026: History of the global movement fighting for our planet - Millions of people around the world will pause on ...

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

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

Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...

For all that scientists rightfully worry about the dangers of climate change, the environmental movement has come a long way ...