A paper published in the journal Nature on August 20 reports new analysis of measurements by the LIGO Scientific Collaboration. In particular, Xavier Siemens, UWM assistant professor of physics, and Warren Anderson, associate scientist in UWM’s Center for Gravitation and Cosmology, made significant contributions. The group’s work has shown how the search for elusive gravitational waves with the ultra-sensitive detector facilities has resulted in new information about the early universe.