1/7/2009STScI-2009-0352.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-2009-0154.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)
1/10/2008STScI-2008-0159.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)
12/4/2007STScI-2007-4261.How White Dwarfs Get Their 'Kicks'
NASA's Hubble Space Telescope is providing strong evidence that white dwarfs, the burned-out relics of stars, are given a "kick" when they form. The sharp vision of Hubble's Advanced... (More)
12/11/2006STScI-2006-5467.Heavyweight Stars Light Up Nebula NGC 6357
The small open star cluster Pismis 24 lies in the core of the large emission nebula NGC 6357 in Scorpius, about 8,000 light-years away from Earth. Some of the stars in this cluster... (More)
12/1/2005STScI-2005-3784.A Giant Hubble Mosaic of the Crab Nebula
The Crab Nebula is a six-light-year-wide expanding remnant of a star's supernova explosion. Japanese and Chinese astronomers recorded this violent... (More)
6/15/2004STScI-2004-5196.Ultra-cool Diminutive Star Weighs In
The power of the some of the world's biggest telescopes has been brought to bear to directly measure the mass, for the first time, of one of the smallest stars ever seen in the universe. (More)