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Heavy Metal Stars: La Silla Telescope Detects Lots of Lead in Three Distant Binaries
Very high abundances of the heavy element Lead have been discovered in three distant stars in the Milky Way Galaxy. This finding strongly supports the long-held view that roughly half of the stable elements heavier than Iron are produced in common stars during a phase towards the end of their life... view more (2001-08-21)

A Very Massive Stellar Black Hole in the Milky Way Galaxy
VLT ISAAC Uncovers an Enigmatic Microquasar   view more (2001-11-27)

Star on a Hubble diet
How heavy can a star be? This conundrum has haunted astronomers for decades. Theory indicates that there should be an upper stellar mass limit somewhere between 120 and 300 solar masses. Even though heavy stars are very bright, measurements of their masses can be complicated.   view more (2006-12-12)

Supernova remnant menagerie
The supernova remnant N 63A is a member of N 63, a star-forming region in the Large Magellanic Cloud (LMC). Visible from the southern hemisphere, the LMC is an irregular galaxy lying 160,000 light-years from our own Milky Way galaxy.   view more (2005-06-07)

New insight in star formation
Early stages of star formation are now better understood, following an extensive millimeter-wave study of protostars, which are young stellar objects still deeply embedded in their parent molecular cloud. Thanks to their unprecedented high-resolution maps of the circumstellar environment of many... view more (2001-01-16)

The Glory of a Nearby Star
Optical Light from a Hot Stellar Corona Detected with the VLT The solar corona is a beautiful sight during total solar eclipses. It is the uppermost region of the extended solar atmosphere and consists of a very hot (over 1 million degrees), tenuous plasma of highly ionised elements that emit... view more (2001-07-31)

XMM-Newton reveals a tumbling neutron star
Using data from ESA's XMM-Newton X-ray observatory, an international group of astrophysicists discovered that one spinning neutron star doesn't appear to be the stable rotator scientists would expect.   view more (2006-04-20)

NASA's Swift Sees Double Supernova in Galaxy
In just the past six weeks, two supernovae have flared up in an obscure galaxy in the constellation Hercules. Never before have astronomers observed two of these powerful stellar explosions occurring in the same galaxy so close together in time.   view more (2007-06-27)

COROT surprises a year after launch
The space-borne telescope, COROT (Convection, Rotation and planetary Transits), has just completed its first year in orbit. The observatory has brought in surprises after over 300 days of scientific observations.   view more (2007-12-21)

Newly Born Twin Stars Are Far From Identical
Two stars, each with the same mass and in orbit around each other, are twins that one would expect to be identical. So astronomers were surprised when they discovered that twin stars in the Orion Nebula, a well-known stellar nursery 1,500 light years away, were not identical at all.   view more (2008-06-19)

Stellar still births
The systematics of celestial bodies apparently needs to be revised. Researchers at the Argelander Institute of Astronomy of the University of Bonn have discovered that brown dwarfs need to be treated as a separate class in addition to stars and planets.   view more (2008-08-25)

Hubble sees multiple star generations in a globular cluster
Hubble's observations of the massive globular cluster NGC 2808 provide evidence for three generations of stars that formed early in its life. This is a major upset for conventional theories that propose a single period of star birth.   view more (2007-05-03)

Common star draws swift attention with unprecedented flare
On April 25, one of our nearest stellar neighbors, a small, faint red dwarf known as EV Lacertae, unleashed the brightest flare ever detected from a normal star outside our solar system.   view more (2008-05-20)

Superbubble of supernova remnants caught in act of forming
A superbubble in space, caught in the act of forming, can help scientists better understand the life and death of massive stars, say researchers at the University of Illinois at Urbana-Champaign.   view more (2007-01-10)

TAU Scientists Help Discover the Most Massive Stellar Black Hole Ever Found
An international team, including astronomers from Tel Aviv University, has uncovered the most massive stellar black hole found to date in a binary system.   view more (2007-11-09)

Setting stars reveal planetary secrets
Watching the stars set from the surface of the Earth may be a romantic pastime but when a spacecraft does it from orbit, it can reveal hidden details about a planet's atmosphere.   view more (2007-11-06)

Stellar birth control in the early universe
An international team of astronomers based at Yale and Leiden University in The Netherlands found that "old stars" dominated many large galaxies in the early universe, raising the new question of why these galaxies progressed into "adulthood" so early in the life of the universe.   view more (2006-10-02)

Glasgow astronomers explain hot star disks
Astronomers have been puzzled for decades as to how the rings of hot gas surrounding certain types of star are formed. Now a team of scientists from the Universities of Glasgow and Wisconsin believe they have found the answer. The team studied a type of young, hot star, known as a "Be star", that... view more (2002-11-01)

Full 3-D image of nanocrystals' interior created by shining X-rays through them
A vital step towards the ultimate goal of being able to take 'photographs' of individual molecules in action has been achieved by an international team led by UCL (University College London) researchers at the London Centre for Nanotechnology.   view more (2006-07-06)

Night shifts impair surgical dexterity
One night on call in a surgical department affects a surgeon's ability to perform laparoscopy (examination of the interior of the abdomen using a specialised viewing instrument), finds a study in this week's BMJ.   view more (2001-11-20)

Ultrabass Sounds of the Giant Star xi Hya: First Observations of Solar-type Oscillations in a Star Very Different fromthe Sun
About 30 years ago, astronomers realised that the Sun resonates like a giant musical instrument with well-defined periods (frequencies). It forms a sort of large, spherical organ pipe. The energy that excites these sound waves comes from the turbulent region just below the Sun`s visible surface.... view more (2002-05-15)

Shadow technique improves measurement of micro holes
Sometimes seeing a shadow can be as good or better than seeing the real thing. A new measurement method developed by researchers working at the National Institute of Standards and Technology (NIST) is a case in point   view more (2005-06-02)

Jupiter's massive winds likely generated from deep inside its interior, scientists report
A new computer model indicates Jupiter's massive winds are generated from deep within the giant planet's interior, a UCLA scientist and international colleagues report today in the journal Nature.   view more (2005-11-14)

Mapping Orion's winds
For the past few months, Bob O'Dell has been mapping the winds blowing in the Orion Nebula, the closest stellar nursery similar to the one in which the sun was born.   view more (2006-01-11)

Measurement of stellar age from uranium decay
For the first time, an international team (led by Roger Cayrel, from Paris Observatory), could measure one uranium line in absorption in a star. This observation has several important implications. It is a great discovery, obtained thanks to the high resolution spectrograph UVES, assembled on one... view more (2001-02-05)
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