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 ...
Something Unexpected Is Spewing Stars Into the Milky Way
Fast-moving stars in the Milky Way indicate there could be a supermassive black hole in the neighboring Large Magellanic ...
Astronomy: Black hole in satellite galaxy hurls stars into Milky Way
At the edge of the Milky Way, there are a surprising number of hyper-fast stars that originate from outside. They apparently ...
How astronomers make deep maps of the Milky Way
Have you ever wondered how astronomers manage to map out the Milky Way when it's so incredibly vast? One of the most powerful ...
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It comprises 80% of the known universe. But we know almost nothing about it -- until now.
Researchers at the University of Alabama in Huntsville say they have made a major breakthrough in the study of dark matter in ...
Astrophysicists surprised by light show around the Milky Way’s supermassive black hole
Using NASA's James Webb Space Telescope, Northwestern astrophysicists gained the longest, most detailed glimpse yet of the ...
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The best objects to view and photograph along the Milky Way
For many observers, the Milky Way’s prime attraction is the northern galactic bulge from the Large Sagittarius Star Cloud up to the territory of Aquila the Eagle. Northern Hemisphere observers ...
Image: The Milky Way on the horizon
NASA astronaut Don Pettit used a camera with low light and long duration settings to capture this Jan. 29, 2025, image of the ...
NASA’s Webb Telescope Reveals a Never-Ending Cosmic Firestorm at the Center of the Milky Way
Observations revealed ongoing fireworks featuring short bursts and longer flares. Imagine solar flares, but magnified to an ...