"Quartet of exoplanets locked in complex dance", by Steve Koppes, UChicago News
Department in the News: May 11, 2016
"Exactly how and where planets form is an outstanding question in planetary science," said the study's lead author, Sean Mills, a graduate student in astronomy & astrophysics at the University of Chicago. "Our work essentially tests a model for planet formation for a type of planet we don't have in our solar system."