After a search of neutron stars finds preliminary evidence for hypothetical dark matter particles called axions, astrophysicists are devising new ways to spot them.
Scientists furthered studies of the Higgs boson, neutrinos, dark matter, dark energy and cosmic inflation and continued the search for undiscovered particles, forces and principles.
As 2016 comes to a close, Symmetry writer Mike Perricone takes us through the latest additions to his collection of popular science books related to particle physics.