Funneling fundamental particles

Tooting our horn: Fermilab has the most expertise in constructing neutrino horns, which focus the particles that eventually decay into neutrinos. Learn how they work.

Fermilab is America’s particle physics and accelerator laboratory. Our vision is to solve the mysteries of matter, energy, space and time for the benefit of all.

The physics photographer

Fermilab’s house photographer of almost 30 years, Reidar Hahn, shares four of his most iconic shots.

Teacher interns learn lab work

Fermilab’s TRAC program helps middle and high school teachers turn lab experiences into lessons or exercises for their students.

The contents of the universe

How do scientists know what percentages of the universe are made up of dark matter and dark energy? Cosmologist Risa Wechsler of the Kavli Institute for Particle Astrophysics and Cosmology explains. Watch the 3-minute video.

NOvA shines new light on how neutrinos behave

NOvA scientists have seen evidence that one of the three neutrino mass states might not include equal parts of muon and tau flavor, as previously thought. Scientists refer to this as “nonmaximal mixing,” and NOvA’s result is the first hint that this may be the case for the third mass state.

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