Astrophysics & Cosmology

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Symmetry: Scientists to map universe in 3-D HD

In a few years, scientists will come out with a new map of a third of the sky, one that will go deeper and bring that depth into sharper focus than any survey has yet achieved. It will pinpoint 25 million galaxies and quasars, pulling back the curtains on the history of the universe’s expansion over more than half of the age of the universe.

Five Years of Illumination: SLAC's Linac Coherent Light Source

Five years ago, the brightest source of X-rays on the planet lit up at SLAC. The Linac Coherent Light Source (LCLS) X-ray laser's scientific and technical progress since its momentous "first light" have been no less luminous, say those who have played a role in its success.

Stalking Gamma Rays from the Ground

Scientists from the Kavli Institute for Particle Astrophysics and Cosmology are helping build cameras for the Cherenkov Telescope Array, an advanced, ground-based gamma-ray observatory.