Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance ...
Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...
When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...
Astronomers have constructed the first detailed 3D map of the properties of cosmic dust in our home galaxy. For their map, the astronomers used 130 million spectra from ESA's Gaia mission, results ...
Astronomers discover an 850,000 light-year-long cosmic filament in the early universe, providing insights into large-scale ...
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Scientists discover smallest galaxy ever seen: 'It's like having a perfectly functional human being that's the size of a grain of rice'"We thought they were basically all going to be fried because the entire universe turned into a vat of boiling oil." ...
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 ...
A strange energy source at the center of the Milky Way may be a new type of dark matter. Scientists found that hydrogen gas ...
Astronomers have discovered strong evidence for the closest supermassive black hole outside of the Milky Way galaxy. This ...
One researcher’s analysis of Webb Space Telescope images could indicate that we’re all stuck in a black hole, according to ...
Scientists suspect lightweight dark matter might ionize hydrogen in the Milky Way’s core. This could also explain the 511-keV ...
Previous efforts to map the galaxy's dust were challenged by limited data, but the Gaia mission has provided a treasure trove ...
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