2006

• 12/11/2006 STScI-2006-54 1. 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)
• 3/15/2006 STScI-2006-11 2. Astronomers Measure Precise Mass of a Binary Brown Dwarf This is an artist's concept of a pair of eclipsing brown dwarfs. Brown dwarfs are mysterious celestial objects that fall somewhere between the smallest... (More)
• 1/9/2006 STScI-2006-02 3. There's More to the North Star Than Meets the Eye By stretching the capabilities of NASA's Hubble Space Telescope to the limit, astronomers have photographed the close companion of Polaris... (More)

2005

• 12/13/2005 STScI-2005-36 4. Astronomers Use Hubble to 'Weigh' Dog Star's Companion For astronomers, it's always been a source of frustration that the nearest white-dwarf star is buried in the glow of the brightest star in the nighttime sky. (More)

2004

• 7/15/2004 STScI-2004-24 5. Astronomers Measure Mass of a Single Star — First Since the Sun Astronomers have directly measured the mass of a single star — the first time such a feat has been accomplished for any solitary... (More)
• 6/15/2004 STScI-2004-51 6. 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)

1998

• 5/28/1998 STScI-1998-19 7. Hubble Takes First Image of a Possible Planet around Another Star and Finds a Runaway World The Hubble telescope has given astronomers their first direct look at what is possibly a planet outside... (More)
• 1/9/1998 STScI-1998-07 8. A New Class of X-ray Star? Teaming up space telescopes to make simultaneous ultraviolet and X-ray observations, astronomers may have solved a 20-year-old mystery and possibly discovered... (More)

1997

• 12/4/1997 STScI-1997-39 9. One Star's Loss is Another's Gain: Hubble Captures Brief Moment in Life of Lively Duo Some stars in double-star systems have found a quick way to lose weight by dumping... (More)
• 8/6/1997 STScI-1997-26 10. Hubble Separates Stars in the Mira Binary System Although the giant star Mira has been known for about 400 years, astronomers have had to wait for the Hubble telescope to provide the first ultraviolet-light... (More)