The story of William Anders' iconic Earthrise image, which helped to spur Earth Day and the environmental movement ...

This story is a selection from the August issue of Air & Space magazine Astronomers have devised ingenious methods for finding objects that were, as late as 2010, thought to be rare: Earth-size ...

Earth Day in Pictures Photographers posted images of what Earth Day means to them on their favorite platforms. Copyright: © ...

April 22 is traditionally known as Earth Day, the occasion where we pause as temporary travelers on our 'blue marble' to ...

Click "confirm" to purchase this lot. The present image shows the Earth as viewed from 11,000 miles in space. It stands as the first full photograph of Earth taken with a camera. The Apollo 4 Mission ...

And Earth's curvature is clearly apparent from high altitudes, as Capt. Albert Stevens of the U.S. Army Air Corps showed in the 1930s. In December 1930, for example, Stevens snapped a photo ...