There's something weird going on with our galaxy's planetary nebulae

This weird, hourglass-shaped structure is a planetary nebula, the not entirely accurate name given to the clump of gas that forms after a dying sun ejects it outer layers. Astronomers recently looked at over a hundred of these nebulae in the Milky Way's galactic center. Shockingly, a huge number of the nebulae appear… » 9/08/13 2:00pm 9/08/13 2:00pm

A star steals its partner's spotlight in the Southern Ring Nebula

Also known as the Eight-Burst Nebula — or, if we want to be all boring and technical, NGC 3132 — this cosmic beauty is located some 2,000 light-years from Earth. It's not actually a regular nebula at all, but instead it's what's known as a planetary nebula, the result of a star dying and venting its remaining gas into… » 4/14/13 4:15pm 4/14/13 4:15pm