Symmetry

Scientists on two neutrino experiments—the MINOS experiment at Fermilab and the Daya Bay experiment in China—have presented results that limit the places where sterile neutrinos might be hiding.

Computer simulations help cosmologists unlock the mystery of how the universe evolved.

The Large Hadron Collider is now producing about a billion proton-proton collisions per second.

I do not think it means what you think it means.

A theoretical species of particle might answer nearly every question about our cosmos—if scientists can find it.

Many theories predict the existence of magnetic monopoles, but experiments have yet to see them.

A new tool lets astronomers listen to the universe for the first time.

What can our cosmic neighbors tell us about dark matter and the early universe?

Physicists exchanged cognac in Copenhagen at the conclusion of a bet about supersymmetry and the LHC.

It’s the cornerstone of cosmology, but what is it all about?