1/7/2009STScI-2009-0332.Hubble Finds Stars That 'Go Ballistic'
Resembling comets streaking across the sky, these four speedy stars are plowing through regions of dense interstellar gas and creating brilliant arrowhead structures and trailing... (More)
1/5/2009STScI-2009-0135.Brown Dwarfs Don't Hang Out With Stars
Brown dwarfs, objects that are less massive than stars but larger than planets, just got more elusive, based on studies of nearby multiple-star systems... (More)
6/3/2008STScI-2008-2136.White Dwarf Lost in Planetary Nebula
Call it the case of the missing dwarf. A team of stellar astronomers is engaged in an interstellar CSI (crime scene investigation). They have two suspects, traces of assault... (More)
1/10/2008STScI-2008-0137.Circumstellar Dust Takes Flight in 'The Moth'
What superficially resembles a giant moth floating in space is giving astronomers new insight into the formation and evolution of planetary systems. This is not your typical... (More)
1/10/2008STScI-2008-0438.Hubble Finds Double Einstein Ring
The Hubble Space Telescope has revealed a never-before-seen optical alignment in space: a pair of glowing rings, one nestled inside the other like a bull's-eye pattern. The double-ring... (More)