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

The Geostationary Operational Environmental Satellites (GOES) captured a stunning view of Earth’s western hemisphere, with white clouds and snow, deep blue oceans, and green and brown continents. NASA ...

The inner core is surrounded by the outer core, a 1,400-mile-thick band of iron and ... Photograph by Garcia Julien, Getty Images We also enjoy protection from Earth's magnetic field, generated ...

Stunning images taken ... makes the sky blue and sunsets red, NASA said. During a total lunar eclipse, any sunlight that’s ...