Physicists discovered stars near the edge of the Milky Way travel more slowly than those closer to its center -- a surprise suggesting our galaxy's gravitational core may have less dark matter than ...

Astronomers have identified 20 ancient, metal-poor stars in the Milky Way’s galactic plane that may be remnants of a long-lost dwarf galaxy dubbed “Loki.” The stars share unusually similar chemical ...

We are living in a golden age of Milky Way research and exploration. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The Milky Way is a barred ...

The Milky Way rotation curve representing the circular rotational speed of stars as a function of distance to the galactic center. The white dots and error bars ...

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A study by MIT physicists suggest the Milky Way’s gravitational core may be lighter in mass, and contain less dark matter, than previously thought. By clocking the speed of stars throughout the Milky ...