Particle Astrophysics & Cosmology (PAC)

Advance your romance with science.

Construction has officially launched for the LZ next-generation dark matter experiment.

Think you can do better than the Symmetry staff? Send us your poems!

Neutron stars have earned their share of superlatives since their discovery in 1967.

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

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

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

Holiday guests will gravitate toward these physics cookies.

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

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

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

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