For Earth Day on April 22, interesting facts including who invented it, why it's on that date, and how it turned into a global movement.

Add Yahoo as a preferred source to see more of our stories on Google. This year marks the 55th anniversary of Earth Day! Every year on April 22, people worldwide mobilize to address some of the most ...

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 ...

Earth serves as our fragile and precious home. As far as scientists are aware, it's the only astronomical object known to ...

Earth’s Rotation Day 2026: We see the sun rise and set every day, journeying from day to night and back again. All this seems so normal that we rarely stop to think about the real reason behind it.

A college student in a gas mask "smells" a magnolia blossom during the first Earth Day on April 22, 1970 in New York City. Credit - AP More than 8 billion people inhabit Earth, and soon a springtime ...

More than 8 billion people inhabit Earth, and soon a springtime holiday will remind them of the need to take care of their home. Earth Day, which takes place on April 22, dates back to 1970, when U.S.

Often when we're presented with facts about the environment, the numbers used can be so astronomically high, and the language so confusingly jargon-ish, that its tough for the average reader to care ...