Prefer Newsweek on Google to see more of our trusted coverage when you search. Physicists with the U.S. Department of Energy have discovered a new phase of matter—and, with apologies to George R. R.

Physicists have taken a gemstone better known for engagement rings and turned it into a laboratory for one of the strangest ideas in modern physics, a phase of matter that repeats in time instead of ...

Physicists with the U.S. Department of Energy have discovered a new phase of matter—and, with apologies to George R. R. Martin, it's something of "a song of ice and fire." The duo from the Brookhaven ...