SLAC topics

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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The Value of Basic Research

How can we measure the worth of scientific knowledge? Economic analysts give it a shot.

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Twinkle, Twinkle, Little Supernova

Using Twinkles, the new simulation of images of our night sky, scientists get ready for a gigantic cosmological survey unlike any before.

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2016 year in particle physics

Scientists furthered studies of the Higgs boson, neutrinos, dark matter, dark energy and cosmic inflation and continued the search for undiscovere

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Science with Sprinkles

Holiday guests will gravitate toward these physics cookies.

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A Syllabus in Cosmic Rays

What have scientists learned in five years of studying cosmic rays with the Alpha Magnetic Spectrometer experiment?

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Deep Learning Takes on Physics

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

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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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The Contents of the Universe

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