Space & PhysicsNovember 9, 2009
Colliding White Dwarfs May Mimic Supernovae Used to Gauge Astronomical Distances
A new path to detonate "standard candle" type Ia supernovae further muddles their origins
Galaxies
Space & PhysicsNovember 3, 2009
Emission Impossible?: Is Dark Matter Behind the Hazy Radiation at the Milky Way's Center?
Some unknown astrophysical process, perhaps related to dark matter, may be at work
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Space & PhysicsNovember 1, 2009
The Long-Lost Siblings of the Sun
The sun was born in a family of stars. What became of them?
Space & PhysicsOctober 28, 2009
Astronomical Artifact: Most Distant Object Yet Detected Carries Clues from Early Universe
A stellar explosion spotted in April took place 13 billion years ago
The SciencesOctober 28, 2009
An intergalactic race in space and time
A burst of γ-rays lets scientists test quantum theories of gravity.
The SciencesOctober 27, 2009
Dark energy rips cosmos and agencies
An international space mission to study an astronomical mystery is foundering.
The SciencesOctober 27, 2009
US physicists propose astrophysics goals
Dark energy and dark matter prove popular choices for funding.
The SciencesOctober 20, 2009
Researchers Create an Electromagnetic "Black Hole" the Size of a Salad Plate
A collection of metamaterial rings efficiently absorbs microwave radiation the way black holes gobble up matter and light, and an optical-light analogue may not be far behind
The SciencesOctober 19, 2009
Bright light hints at a dark centre to the Galaxy
Mysterious matter may be colliding at the Milky Way's core.
Space & PhysicsOctober 15, 2009
Active Star Formation Revealed in Nearby Barnard's Galaxy
A newly released image of one of our nearest galactic neighbors, Barnard's Galaxy, also known as NGC 6822, reveals regions of star formation and strange-looking nebulae, such as the bubble visible in the image [upper left].
Space & PhysicsSeptember 2, 2009
Astronomical Survey Reveals Andromeda's Galaxy-Gorging Past
Scraps of devoured dwarf galaxies surround the Milky Way's sister galaxy
The SciencesJuly 20, 2009
Simon DeDeo: For a Lifetime of Scientific Curiosity, the Sky's the Limit