A malevolent, screaming skull face. A witch cackling in profile. An all-seeing eye, gazing red and furious from the cosmic depths. Space can be as terrifying as it is beautiful. From nebulas — vast ...

Planetary nebulas are made by dying stars about the size of our sun. One of the most famous is called the Helix or Eye of God Nebula, officially NGC7293.

When you buy through links on our articles, Future and its syndication partners may earn a commission. This landscape of "mountains" and "valleys" speckled with glittering stars is actually the edge ...