Since the Apollo missions began, space programs have offered a unique perspective on our home planet.
Environmental issues have long faced our planet, but what did it finally take to set aside a day just for Earth?
Give me liberty, or give me death!
-Patrick Henry
Though it gets almost no rainfall, the Atacama Desert hosts a surprising amount of life, including a long history of human habitation.
Carson's 1962 bestseller first warned the public about the devastating effects of chemical pesticides—and started a revolution.
Here is the origin story of Earth—the only place we know life to exist.
Earth Day was established in 1970 and has become a worldwide holiday celebrated by over 1 billion people. See key highlights in the movement.
In 1793, Samuel Slater built America's first water-powered textile mill–right in Pawtucket. That moment helped spark the Industrial Revolution in the U.S. and transform how the nation worked.