For billions of years before reaching its current location, the Sun may have slowly travelled as part of a large group, or “wave,” of stars drifting out from the inner parts of the Milky Way. This ...

In a tiny, faint dwarf galaxy 150,000 light-years away, astronomers have found a star containing just 1/40,000th of the iron ...

A red giant star sitting in the Milky Way’s halo has been identified as the most chemically pristine star yet observed, and ...

Scientists have captured the most complete, high-resolution map of the cold gas at the center of the Milky Way, which contains the raw material from which stars and planets are made. Information from ...

A star drifting at the outermost reaches of the Milky Way has turned out to be the most chemically pristine stellar object ...

The temperature difference is not subtle. One side of the Milky Way’s outer halo runs noticeably hotter than the other, a ...