Use it to track down one of the most famous planetary nebulae in the sky: M27, the Dumbbell Nebula. Shining at magnitude 7.4 and stretching some 8’ by 6’, this was the first planetary nebula ...

This morning, we’re enjoying one of the most famous planetary nebulae in the sky ... Try looking west about 45 minutes after the Sun disappears — the two points of light will then be roughly ...

Here we explore why our sun won't live forever and what will happen when it finally runs out of fuel. If you’ve ever wondered when the sun is going to die, there's no need to worry — our star ...