Earth Day is here, and so are the deals. While shopping for stuff you don't need is no good for the environment, saving on environmentally friendly upgrades you were already eyeing is just plain smart ...

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...

Astronauts and robotic spacecraft have been capturing profound photos of Earth for decades. Earth Day is an annual celebration on April 22 focused on environmentalism and conservation. Iconic images ...