Travel back 390 million years after the big bang to the ancient Maisie's Galaxy in this stunning 3D visualization that ...

"Gaia provides the first accurate view of what our section of the Milky Way would look like from above," Lewis McCallum, an ...

Scientists created the most accurate three-dimensional map of star-formation regions in our Milky Way galaxy, based on data from the European Space Agency's Gaia space telescope. This map will teach ...

The museum's flagship building on the National Mall drew thousands of visitors on Monday who were among the first to tour reimagined displays. Hundreds of people lined up outside of the Smithsonian's ...