the spacecraft looked back on Earth during its second Earth-orbit burn, capturing the "Blue Marble" from where it came from. In the next few years, NASA astronauts will have a similar view of ...

University of Iowa researchers found in a new study that images of Earth that kindle "blue marble awe" could create more favorable views of renewable energy and the environment.

The altar is a three-tiered square platform built of white marble, its shape symbolizing the ancient notion that the earth is square. There are four stone staircases, one on each side, leading up ...