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Possible Echo of Big Bang Detected
Scientists report the possible discovery of primordial gravitational waves, ripples in space-time that carry a record of how the universe began.
Case for Dark Matter Signal Strengthens
A new analysis strengthens the case that gamma rays emanating from the center of the Milky Way come from dark matter particles known as WIMPs.
Big Bang Secrets Swirling in a Fluid Universe
With a new approach that treats the universe as a fluid, cosmologists plan to tease out the fine details of the Big Bang from its behavior and evolution.
A Digital Copy of the Universe, Encrypted
As physics prepares for ambitious projects like the Large Synoptic Survey Telescope, the field is seeking new methods of data-driven discovery.
In Hunt for Dark Matter, Promises to Keep?
Whispers of the elusive particles are becoming stronger with a series of signals that appear to be zeroing in on a leading contender.
Lopsided Map Offers Clues to Big Bang
Theoretical cosmologists are piecing together a cosmic origin story from a surprising anomaly in the recently released Planck satellite image.
Is Nature Unnatural?
Decades of confounding experiments have physicists considering a startling possibility: The universe might not make sense.
Peering Into the Early Universe
Three “extremely large telescopes” poised to begin observations within a decade could help answer some of the universe’s oldest and best-kept secrets.