The "Blue Marble" was the first photo of the whole Earth and the only ever taken by a human. Fifty years on, new images of ...

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

Pettit posted his striking footage on social media on Tuesday. The American astronaut used a wide-angle lens to get the entirety of the seven-window Cupola module in the video, using the panels to ...

Year after year, the National Aeronautics and Space Administration (NASA) tracks global sea levels with an ever-increasing and -improving series of satellites. The agency has settled on a somewhat ...

So how, over the 50 years since that iconic image was taken, has the Blue Marble changed ... the entire coastline of Africa can be seen. Nasa officially credits the image to the entire crew.