Before sunrise on April 25, a slender waning crescent moon will appear left of Venus and Saturn to create the tilted happy face.

The celestial image could be spoiled by a dull Saturn, which might lack the brightness needed to tie the smiley together, ...

A rare alignment of the moon and three planets will give millions a reason to look up — and the view could leave stargazers ...

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 ...