When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The Milky Way's far outer reaches may harbor a shell of stars left over from a long-ago act of ...

Peering deep into the vast stellar halo that envelops our Milky Way Galaxy, astronomers using NASA’s Hubble Space Telescope have uncovered tantalizing evidence for the possible existence of a shell of ...

An international team of astronomers has identified a star that passed through the outer reaches of the Oort Cloud some 70,000 years ago. It came within a distance of 0.8 light-years, making it the ...

The Milky Way's far outer reaches may harbor a shell of stars left over from a long-ago act of galactic cannibalism, a new study suggests. The finding supports the idea that our Milky Way has ...