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astrophysics
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Finding Dark Energy in the Details
The astrophysicist Joshua Frieman seeks to pinpoint the mysterious substance driving the accelerating expansion of the universe.
In Search of Dark Stars
Katherine Freese, a physicist who will soon lead the Nordic Institute for Theoretical Physics, reflects on the hunt for dark matter and how dark matter heating may have produced the first stars.
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.
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.
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.