Physicists on experiments at the Large Hadron Collider announced today that they have observed a new particle. Whether the particle has the properties of the predicted Higgs boson remains to be seen.

After more than 10 years of gathering and analyzing data produced by the U.S. Department of Energy’s Tevatron collider, scientists from the CDF and DZero collaborations have found their strongest indication to date for the long-sought Higgs particle.