Shapes of Rhinestones: Details are everything – choose your crystals from round, square, teardrop, or star-shaped rhinestones ...

Astronomers have spotted a scintillating square-shaped nebula nestled in the vast sea of stars. Combining infrared data from the Hale Telescope at Palomar Observatory and the Keck 2 Telescope in ...

But the hot star at the heart of the Red Square nebula, called MWC 922, appears to be relatively massive, suggesting another process formed its signature shape.