Particle Astrophysics & Cosmology (PAC)

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June 27, 2017
News Feature
The era of multi-messenger astronomy promises rich rewards—and a steep learning curve.
June 20, 2017
News Feature
A NASA rocket experiment could use the Doppler effect to look for signs of dark matter in mysterious X-ray emissions from space.
June 8, 2017
News Feature
In honor of Fermilab’s upcoming 50th birthday, Symmetry presents physics birthday cards.
May 10, 2017
News Feature
Sensitive gamma-ray “eye” on NASA’s Fermi space telescope continues to provide unprecedented views of violent phenomena in the cosmos.
Fermi in Space
May 2, 2017
Press Release
An excess of gamma rays at the center of the Milky Way, previously discussed as a sign of dark matter, is likely caused by the superdense remains of ancient stars.
March 17, 2017
News Feature
Astrophysicists Eric Charles and Mattia Di Mauro discuss the surprising glow of our neighbor galaxy.
February 23, 2017
News Feature
Detectors long used to look at the cosmos are now part of X-ray experiments here on Earth.
February 14, 2017
News Feature
Advance your romance with science.
February 13, 2017
News Feature
Construction has officially launched for the LZ next-generation dark matter experiment.
February 10, 2017
News Feature
Think you can do better than the Symmetry staff? Send us your poems!

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