Particle physics

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

Protons are colliding once again in the Large Hadron Collider.

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

A new result from the Daya Bay collaboration reveals both limitations and strengths of experiments studying antineutrinos at nuclear reactors.

Boston University physicist Tulika Bose explains why there's more than one large, general-purpose particle detector at the Large Hadron Collider.

Explore the fourth dimension, from processes that occur in billions of years down to tiny slivers of a second.

Why can a neutrino pass through solid objects?

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!

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

The question is more complicated than it seems.