In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Using NASA's James Webb Space Telescope, Northwestern astrophysicists gained the longest, most detailed glimpse yet of the ...

Once the two galaxies are merged, the supermassive hole in the Large Magellanic Cloud – if black hole there is – will make its way to the galactic center, where it will eventually, after many more ...

Gaia's view of the Milky Way. Credit: ESA/Gaia/DPAC Gaia's catalog includes the stars' positions, brightnesses, and colors, plus information about asteroids in our own solar system. It even shows ...

Our understanding of the galaxy has advanced with every leap in the number of stars. From early observations to more and more advanced space and ground-based telescopes, each milestone has ...

Fig.1: Artistic representation of the Milky Way. The position of the Solar System is pointed by a white row. Our sun and its ...

Sagittarius A*, our galaxy's supermassive black hole, is constantly producing strange eruptions. Astronomers are using the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers using ...

Smith Ranch Stables’ Lynn’s Milky Way drew off to a dominating eight-length victory Sunday at Gulfstream Park in Hallandale Beach, Fla., sparking a most spirited post-race celebration in the winner’s ...

Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they were independent galaxies, extremely large and distant. At the time ...