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Particle Astrophysics & Cosmology (PAC) RSS feed

To explore the birth of the universe, star and galaxy formation and the structure of space and time, SLAC researchers help develop cutting-edge technologies for a range of sensitive experiments.

Speed of hydrogen gas in a rotating galaxy.

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VIA Symmetry Magazine

Deep Learning Takes on Physics

Can the same type of technology Facebook uses to recognize faces also recognize particles?

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VIA Symmetry Magazine

In Search of a Parallel Universe

What are parallel universes, and why do we think they might exist?

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KIPAC’s Ralf Kaehler and Tom Abel contributed two scenes to the science documentary narrated by Brad Pitt and Cate Blanchett.

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Underground experiment passes critical DOE review and prepares for startup in 2020.

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Three recent studies using data from the Fermi Gamma-ray Space Telescope have expanded the hunt for unexplained signals coming from beyond our galaxy.

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A previously detected, anomalously large X-ray signal is absent in new Hitomi satellite data, setting tighter limits for a dark matter interpretation.

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VIA Symmetry Magazine

The Contents of the Universe

How do scientists know what percentages of the universe are made up of dark matter and dark energy?

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The Dark Energy Spectroscopic Instrument will measure light from 35 million cosmic objects for new insights into what causes the universe to expand faster...

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The scientists develop methods to study neutrinos from star explosions and search for unknown particles and forces with possible ties to dark matter.

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The first website to be hosted in the US has grown to be an invaluable hub for open science.

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In its final run, the LUX experiment increased its sensitivity four-fold, but dark matter remains elusive.

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The goal: Develop high-tech coatings that make the detector’s mirrors less “noisy”.