The Heavy Photon Search at Jefferson Lab is looking for a hypothetical particle from a hidden “dark sector.”

Sensitive gamma-ray “eye” on NASA’s Fermi space telescope continues to provide unprecedented views of violent phenomena in the cosmos.

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.

Two astrophysicists and a theoretical physicist discuss how the Large Synoptic Survey Telescope will probe the nature of dark matter and dark energy by taking an unprecedentedly enormous scan of the sky.

Astrophysicists Eric Charles and Mattia Di Mauro discuss the surprising glow of our neighbor galaxy.

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

Most experiments searching for mysterious dark matter require massive colliders, but Stanford physicist and SLAC collaborator Peter Graham advocates a different, less costly approach.

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?

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