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Toward A Unified Description Of Dark Energy And Dark Matter
April 7, 2007 — From various independent observations, cosmologists have established that ordinary matter, made of protons and neutrons, accounts for only 4% of the total energy content of the Universe. The ... > full story -
Examination Of Radiation Left From Birth Of Universe Could Alter Theories
April 2, 2007 — Using relic radiation from the birth of the universe, astrophysicists at the University of Illinois have proposed a new way of measuring the fine-structure constant in the past, and comparing it with ... > full story -
Seas Discovered On Saturn's Moon Titan
March 14, 2007 — Instruments on NASA's Cassini spacecraft have found evidence for seas, likely filled with liquid methane or ethane, in the high northern latitudes of Saturn's moon Titan. One such feature is larger ... > full story -
Spitzer Seeks Out Milky Way Dark Matter
February 22, 2007 — Our Milky Way galaxy is heavier than it looks, and it's not too much ice cream, or cookies, that is responsible for the extra weight -- it's "dark matter." Dark matter is one of the greatest ... > full story -
Origin Of Darkest Galaxies In The Universe Elucidated
February 15, 2007 — Stelios Kazantzidis, a researcher at Stanford University's Kavli Institute for Particle Astrophysics and Cosmology (KIPAC), and collaborators have developed an elegant explanation for how galaxies ... > full story -
Cosmic Lighthouses: Astrophysicists Explain Differences In Brightness Of Supernova Explosions
February 10, 2007 — Supernovae stand out in the sky like cosmic lighthouses. Scientists at the Max Planck Institute for Astrophysics and at the National Astronomical Institute of Italy have now found a way to use these ... > full story -
Study Shows Moon In New Light
February 6, 2007 — Light has been shed on the dark parts of the Moon with experiments by University of Edinburgh researchers simulating billions of years of lunar ... > full story -
Gravitational Wave Background
January 30, 2007 — In the standard model of cosmology, the early universe underwent a period of fantastic growth. This inflationary phase, after only a trillionth of a second, concluded with a violent conversion of ... > full story -
Endless Universe Made Possible By New Model
January 30, 2007 — A new cosmological model demonstrates the universe can endlessly expand and contract, providing a rival to Big Bang theories and solving a thorny modern physics problem, according to University of ... > full story -
Evidence Of Ancient Galactic Collision Found
January 28, 2007 — Astronomers surveying the nearby Andromeda galaxy have discovered an association of stars in its outskirts, which they believe to be part of a separate galaxy that merged with Andromeda about 700 ... > full story
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