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Simulations Illuminate Universe's First Twin Stars
The earliest stars in the
universe formed not only as
individuals, but sometimes
also as twins, according to
a new article in Science. By
creating simulations of the
... > full story
Antimatter Positrons Explain Gamma Ray Mystery In Milky Way Galaxy
Astrophysicists have solved
a mystery that led some
scientists to speculate that
the distribution of certain
gamma rays in our Milky Way
... > full story
Intense Heat Killed The Universe's Would-be Galaxies, Researchers Say
Millions of would-be
galaxies failed to develop
after being exposed to
intense heat from the first
stars and black holes formed
... > full story
New Light Shed On 'Dark' Gamma-ray Bursts
Gamma-ray bursts are the
universe's biggest
explosions, capable of
producing so much light that
ground-based telescopes
easily detect it billions of
... > full story
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Size Of A Galaxy Can Be Determined By Its Dark Matter, Physicists And Mathematicians Show
June 10, 2009 — Dark matter is an enigmatic energy that makes up most of the mass in the Universe, whose nature has not yet been identified. Researchers have succeeded in estimating the percentage of dark matter in ... > full story -
Precision Technique Provides Vital Tool For Unraveling Mystery Of Dark Energy
June 10, 2009 — Radio astronomers have used a direct, geometric technique to precisely measure the distance to a faraway galaxy, demonstrating a vital tool for determining the nature of the mysterious dark energy ... > full story -
The Day The Universe Froze: New Model For Dark Energy
May 11, 2009 — Imagine a time when the entire universe froze. According to a new model for dark energy, that is essentially what happened about 11.5 billion years ago, when the universe was a quarter of the size it ... > full story -
'Star Trek' Warp Speed? Physicists Have New Idea That Could Make It So
May 8, 2009 — With the new movie 'Star Trek' opening in theaters across the nation, one thing movie goers will undoubtedly see is the Starship Enterprise racing across the galaxy at the speed of light. But can ... > full story -
Refined Hubble Constant Narrows Possible Explanations For Dark Energy
May 8, 2009 — Whatever dark energy is, explanations for it have less wiggle room following a Hubble Space Telescope observation that has refined the measurement of the universe's present expansion rate to a ... > full story -
Study Plunges Standard Theory Of Cosmology Into Crisis
May 5, 2009 — Do we have to modify Newton's theory of gravitation as it fails to explain so many observations? Voices are increasingly being heard that support this heretical hypothesis. Two new studies are likely ... > full story -
Did 'Dark Gulping' Generate Black Holes In Early Universe?
April 23, 2009 — A process called 'dark gulping' may solve the mystery of the how supermassive black holes were able to form when the Universe was less than a billion years ... > full story -
Time For A New Theory Of Gravitation? Satellite Galaxies Challenge Newtonian Model
April 23, 2009 — The high speed of stars and apparent presence of 'dark matter' in the satellite galaxies that orbit our Milky Way Galaxy presents a direct challenge to Newton's theory of gravitation, according to ... > full story -
Physicists See The Cosmos In A Coffee Cup
April 21, 2009 — Scientists have discovered a universal principle that unites the curious interplay of light and shadow on the surface of your morning coffee with the way gravity magnifies and distorts light from ... > full story -
Cosmic Heavyweights In Free-for-all
April 17, 2009 — The most crowded collision of galaxy clusters has been identified by combining information from three different telescopes. This result gives scientists a chance to learn what happens when some of ... > full story
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