Every year, the moon moves just a little farther away from our planet. Scientists have calculated the rate at which our ...

We've even been asked if you could run solar cells during the long lunar night on reflected earthlight, so we decided to ...

A NASA astronaut onboard the International Space Station has shared 'breathtaking' images of 'the world and beyond'.

Only when the moon, Earth and the sun are perfectly aligned is the moon 100% full. And sometimes — once in a blue moon — the moon is full twice in a month (or four times in a season ...