Robyn Sanderson's research on a "new stellar stream, born outside the Milky Way, discovered with machine learning"

Finding this new collection of stars, named after Nyx, the Greek goddess of night, was made possible using machine learning tools and simulations of data collected by the Gaia space observatory.

https://penntoday.upenn.edu/news/new-collection-stars-born-outside-milky-way-discovered-using-machine-learning

Also, see coverage on CNN:

https://us.cnn.com/2020/07/12/world/milky-way-stars-nyx-scn-trnd/index.html