New collection of stars, not born in our galaxy, discovered in Milky Way

Astronomers can go their whole career without finding a new object in the sky. But for Lina Necib, a postdoctoral scholar in theoretical physics at Caltech, the discovery of a cluster of stars in the Milky Way, but not born of the Milky Way, came early--with a little help from supercomputers, the Gaia space observatory, and new deep learning methods.