A radio burst was pulsing from the Milky Way. Astronomers traced it to a dead star
Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance ...
Astronomy's dirty window to space: A detailed map of dust in the Milky Way
When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’
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 ...
Runaway stars reveal hidden black hole in Milky Way's nearest neighbor
Astronomers have discovered strong evidence for the closest supermassive black hole outside of the Milky Way galaxy. This ...
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One large Milky Way galaxy or many galaxies?
It seemed that these redshifted galaxies were all moving away from the Milky Way. Hubble’s results suggested the farther away a galaxy was, the faster it was moving away from Earth. Hubble got ...
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Astronomers spot flares of light near the black hole at the center of our galaxy
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers using ...