Detailed map of dust in Milky Way

Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance ...
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...
This radiation reveals everything from star-forming gas clouds to the ... of astronomy that allows astronomers to map the structure of our Milky Way galaxy, understand its rotation, and even ...