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New Hypothesis Of The Tunguska Explosion
The event which occurred almost a hundred years ago in Podkamennaya Tunguska has drawn scientists` attention again. What actually exploded at that time in the remote taiga, the power of explosion being equal to the 50-megaton H-bomb? The hypothesis that it was a meteorite or any other extraterrestrial object has not quite satisfied inquisitive... view more... (2002-08-23)

Double-star systems cycle between big and small blasts
Certain double, or binary, star systems erupt in full-blown explosions and then flare up with smaller bursts, according to new information gathered by NASA's Galaxy Evolution Explorer (GALEX) and analyzed by a team of astronomers, including postdoctoral researcher Mark Seibert of the Carnegie Observatories.   view more (2007-03-08)

Exploding star within a star - a recurrent nova!
On 12 February 2006, amateur astronomers reported that a faint star in the constellation of Ophiuchus had suddenly become clearly visible in the night sky without the aid of a telescope.   view more (2006-04-07)

Nuclear weapons in terrorist hands?
Are nuclear weapons of the simpler variety in the hands of a terrorist group- a realistic threat? That question has been studied in a report from FOI (Swedish Defence Research Agency), and the conclusion is that the possibility of nuclear charges being used for terror ends cannot be written off. How hard is it to make a functioning primitive... view more... (2004-01-16)

Magellanic gemstones in the southern sky
Hubble has captured the most detailed images to date of the open star clusters NGC 265 and NGC 290 in the Small Magellanic Cloud-two sparkling sets of gemstones in the southern sky.   view more (2006-04-18)

X-rays provide a new way to investigate exploding stars
ESA's X-ray observatory XMM-Newton has revealed a new class of exploding stars - where the X-ray emission 'lives fast and dies young'.   view more (2007-05-10)

Supernova radioisotopes show sun was born in star cluster, scientists say
The death of a massive nearby star billions of years ago offers evidence the sun was born in a star cluster, say astronomers at the University of Illinois at Urbana-Champaign.   view more (2006-10-05)

UI researchers discover star orbiting a 'medium-sized' black hole
University of Iowa researchers have found a star orbiting a "medium-sized" black hole - about 1,000 times more massive than the sun - in the nearby starburst galaxy M82, a development that may help explain how medium-sized black holes form and evolve.   view more (2006-01-06)

Barcode for explosives
Experts encounter a serious problem when studying the crime scene after an explosion. They can establish to a high degree of probability the type and power of the device used by terrorists and with what explosive substance it was filled with. However, they are usually unable to answer the most important question as to where and when the explosive... view more... (2005-03-03)

Astronomers report mysterious giant star clusters
An international team of astronomers reported evidence for the formation of mysterious "super star clusters" Jan. 9 at the annual meeting of the American Astronomical Society in Washington, D.C.   view more (2006-01-11)

New assessment system for elderly patients
Recent reports have expressed concern that some elderly patients may miss out on treatment because they are assumed to be too old to benefit from it. In the May Journal of the Royal Society of Medicine, Margaret Farquharson and fellow surgeons from the North Hampshire Hospital describe their simple grading system for assessing how frail older... view more... (2001-04-26)

Global Telescope to observe Ringing Star
Over the coming weeks an international team, led by Professor Ulrich Heber of the University of Erlangen-Nuernberg, Germany, will use over fifteen different telescopes around the world to make over one hundred nights of observations of just one star to learn about its internal structure. The constellation of the "Serpent" contains a variable... view more... (2002-05-17)

Invading black holes explain cosmic flashes
Black holes are invading stars, providing a radical explanation to bright flashes in the universe that are one of the biggest mysteries in astronomy today.   view more (2009-09-21)

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)

Creating linguistic resources for automated translation
A major difficulty in developing automated language translation is that you need a system with a fairly extensive vocabulary from which it can learn, before any degree of reliability or accuracy is possible. The LC-STAR project developed just such a vocabulary.   view more (2005-02-10)

HealthGrades study: Bariatric surgery patients have fewer complications at high-volume hospitals
Bariatric surgery patients had 64 percent fewer complications and a 26 percent shorter hospital stay if they went to a five-star rated hospital compared with a one-star rated hospital.   view more (2007-07-31)

Biggest 'small' black hole discovered
Discovery of the largest example of a "small" black hole - one formed from the collapse of a single massive star at the end of its lifetime - has led scientists to revaluate of how black holes come into being, according to a report in Nature.   view more (2007-10-22)

New Gemini images contrast the late evolution of two very different stars
Two new images from the Gemini Observatory released today (Monday June 5th 2006) at the American Astronomical Society meeting in Calgary, Canada, show a pair of beautiful nebulae that were created by two very different types of stars at what may be similar points in their evolutionary timelines.   view more (2006-06-06)

Study: Bariatric surgery patients have 67 percent lower chance of complications at top hospitals
The HealthGrades Fourth Annual Bariatric Surgery Trends in American Hospitals Study released today identifies 88 hospitals as "best" performers (five-star rated), with mortality rates, complication rates and patient lengths of stay that are dramatically lower than poorly rated hospitals.   view more (2009-07-28)

How Old is the Universe?
Most astronomers would agree that the age of the Universe - the time elapsed since the "Big Bang" - is one of the "holy grails of cosmology". Despite great efforts during recent years, the various estimates of this basic number have resulted in rather diverse values. When derived from current cosmological models, it depends on a number of... view more... (2001-02-06)
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