If you look up in the sky at night at Cassiopeia ... it will collide with the Milky Way, throwing our solar system away from our own galactic core and reshaping the two galaxies into a single ...

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 ...

Every single star you can see is part of the Milky Way, but we’re talking here about seeing the densest part—that diffuse, “milky” glow of billions of stars. Our satellite is the biggest ...

and you may catch a hazy ark of light stretching from horizon to horizon—the spiral arms of our own Milky Way galaxy. Good luck with that. With light pollution getting worse with every passing ...

Every star that you see in the sky is part of the same enormous galaxy. Our solar system resides in a galaxy called the Milky Way, stuffed with between 100 billion and 400 billion other stars ...

"It marks an exciting step forward in our understanding of dark matter and the dynamics of the Milky Way." A perplexing ... planets, moons, you, me and basically everything else, accounts for ...