Earth Day started in the 1970s. Here’s an Earth Day fact everyone should know: Earth Day was first observed on April 22, 1970 ...

Add Yahoo as a preferred source to see more of our stories on Google. There's so much to celebrate in the month of April. The fourth month of the calendar year ushers in warm weather, tulips and Earth ...

Explore 25 awesome facts about the most extreme things on Earth, from the hottest deserts to the deepest oceans. Uncover ...

This year marks the 55th anniversary of Earth Day! Every year on April 22, people worldwide mobilize to address some of the most urgent threats facing our environment, from climate change to ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." While Earth Day, observed annually on April 22, may not be a major holiday that’s widely celebrated ...

Explore mind-bending revelations in "25 Astonishing Facts About The Earth That Will Confuse You." Unveil secrets from explosive lakes to the magnetic field flip, and discover the wonders shaping our ...

The ground below us seems so steady and also unvarying; however, the Earth is a chaotic, bustling work of art. It may have diminishing oceans, and its moon may be drifting at a snail's pace, but all ...