The Early Universe

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November 25, 2013
In scientific circles, “mock” is not always a four-letter word. To test that they’re interpreting their massive amounts of data correctly, astrophysicists create even more data: “mock” data. And while that may be counterintuitive at first, it actually makes a surprising amount of sense.
October 30, 2013
News Feature
Traces of iron spread smoothly throughout a massive galaxy cluster tell the 10 billion-year-old story of exploding supernovae and fierce outbursts from supermassive black holes sowing heavy elements throughout the early cosmos.
Image: Illustration of some markers of the universe's turbulent youth, such as supernova explosions and active galactic nuclei (Akihiro Ikeshita).
September 3, 2013
News Feature
Word of the official beginning of the Dark Energy Survey (DES) starts a five-year clock on a meticulous mapping of one-eighth of the night sky by the Dark Energy Camera, mounted on the Victor M. Blanco Telescope at the Cerro Tololo Inter-American Observatory.
Photo - From left: Eduardo Rozo, Risa Wechsler and El...
August 22, 2013
News Feature
On June 11, 2008, what was then the Gamma-ray Large Area Space Telescope rode a Delta II rocket into low-Earth orbit. After two months of tests and checks and calibrations, on August 11, 2008, NASA declared GLAST open for business as astrophysics' premier eye on the gamma-ray sky. Five years, a name change, a near miss with a defunct Soviet spy satellite, and countless surprises later, the spacecraft now known as the Fermi Gamma-ray Space Telescope is still going strong, with another five-year mission stretching ahead of it.
Photo - The Fermi Gamma-ray Space Telescope launches June 11, 2008
May 21, 2013
News Feature
Now that it looks like the hunt for the Higgs boson is over, particles of dark matter are at the top of the physics "Most Wanted" list.
KIPAC theorists (l to r) Louis Strigari, Risa Wechsler and Yao-Yuan Mao discussing dark matter velocity distributions. (Credit: Luis Fernandez.)
November 19, 2012
Press Release
Menlo Park, Calif. — Time marches relentlessly forward for you and me; watch a movie in reverse, and you’ll quickly see something is amiss.
Illustration - Big letter "B"s change color to represent transforming B mesons
April 24, 2012
Press Release
Menlo Park, Calif. — A 3.2 billion-pixel digital camera designed by SLAC National Accelerator Laboratory is now one step closer to reality.
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