Harvard Graduate student Marion Dierickx recent paper featured:
"The 11 farthest known stars in our galaxy are located about 300,000 light-years from Earth, well outside the Milky Way's spiral disk. New research by Harvard astronomers shows that half of those stars might have been ripped from another galaxy: the Sagittarius dwarf. Moreover, they are members of a lengthy stream of stars extending one million light-years across space, or 10 times the width of our galaxy."
Read more at: http://phys.org/news/2017-01-farthest-stars-milky-ripped-galaxy.html#jCp