In 2009, a Red Rectangle report in The Astrophysical Journal said that the central binary stars orbit each other every 319 days. One is a normal hot star and not a white dwarf as previously believed.

Astronomers may not have observed the fabled 'Stairway to Heaven,' but they have photographed something almost as intriguing: ladder-like structures surrounding a dying star.

The supermassive black hole was yesterday's news. On Friday, NASA released an image of a star surrounded by a curious, rare red rectangle. Though the red rectangle has been seen and photographed ...

The Red Rectangle in the constellation Monoceros (the Unicorn) roughly 2,300 light-years away, also known as star HD 44179, is a unique illustration of a proto-planetary nebula. The image captured ...

The star HD 44179 is surrounded by an extraordinary structure known as the Red Rectangle. It acquired its moniker because of its shape and its apparent color when seen in early images from Earth.

The Red Rectangle is so named because of its strange shape and striking color. But this stellar nebula looks more like a cosmic "X" in this new image from Hubble.

The Red Rectangle, named after its uniquely boxy shape, sits approximately 2,300 light-years from Earth. Located in the constellation Monoceros, the Red Rectangle was first spotted by astronomers ...

The star HD 44179 is surrounded by an extraordinary structure known as the Red Rectangle. It acquired its moniker because of its shape and its apparent color when seen in early images from Earth.