After Finding God Particle, CERN Eyes Universe's Biggest Mystery: Dark Matter

The world's largest particle accelerator is now preparing for its next major scientific challenge: understanding dark matter, the invisible substance believed to account for a large share of the universe's mass but which has never been directly detected.

Most of the matter in the universe is dark matter, but for decades physicists haven’t been able to directly observe it – that may have just changed

The world’s biggest dark matter search saw a particle it cannot explain