A joint Fermilab/SLAC publication
Scientist working on a new particle collider

MICE brings muon collider closer to reality

The Muon Ionization Cooling Experiment has achieved its goal of squeezing a beam of muons before they decay.

Illustration of Vera Rubin

Vera Rubin, giant of astronomy

The Large Synoptic Survey Telescope will be named for an influential astronomer who left the field better than she found it.

Particle Physics and Astrophysics around Latin America

From the editor: A month in Latin America

Latin America has reached a pivotal moment in experimental particle physics and astrophysics research. Throughout the month of October, Symmetry will explore how.


Japan defers ILC decision

In their latest meeting with scientists, the Japanese government declined to stake a claim to hosting the ILC.

Artistic rendering of the IceCube Lab at the South Pole with a bright flash in the sky.

Scientists trace high-energy cosmic neutrino to its birthplace

A pair of results bring neutrinos into the new era of multi-messenger astronomy.

Illustration of four Rock 'Em Sock 'Em robots representing the four particles in the Sub Smackdown (blue, red, purple, green)

Photon declared champion

After a week of appreciation for each of the four particle contenders, the photon emerged as the winner in the Subatomic Smackdown.

Illustration of Renee Horton, NASA, planet, spaceship (red, black, blue, purple, grey, white, purple)

Bring a folding chair

National Society of Black Physicists President Renée Horton talks with Symmetry about finding a place to belong in physics.

Header/stich ATLAS, LLPs Displaced Jets

Not an ugly sweater party

University College London scientists make physics festive with sweaters and songs at their annual holiday gathering.

Photo of four researchers in red coats standing on white snow at the South Pole in front of a building

A win for physics and geology

For the first time, scientists have measured the rate at which high-energy neutrinos are absorbed by our planet, a development that could lead to discoveries about physics and the Earth.

Hands hold galaxies in the palm of their hands with dark matter particles swirling around

An international celebration of dark matter

Around the world, scientists and non-scientists alike celebrated the first international Dark Matter Day.