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July 16, 2025
Observations of a baby star may show the earliest stages of planet formation that astronomers have ever seen
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February 25, 2026
A baby sunlike star blowing a bubble of hot gas called an “astrosphere” was captured for the first time by NASA’s Chandra X-ray Observatory
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January 16, 2026
A distinctive nebula inside the constellation Lyra holds a never-before-seen cloud of iron atoms—and researchers aren’t sure why
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March 6, 2023
Studying these elusive shock waves could give scientists a better look at the mysterious magnetic fields that permeate the cosmic web.
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April 10, 2023
A candidate “rogue” supermassive black hole may weigh as much as 20 million suns and has sparked a trail of star formation that is 200,000 light-years long
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March 15, 2012
Astronomers using NASA's Hubble Space Telescope have found several examples of galaxies containing quasars, which act as gravitational lenses, amplifying and distorting images of galaxies aligned behind them. Quasars are among the brightest objects in the universe, far outshining the total starlight of their host galaxies. Quasars are powered by supermassive black holes.
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June 18, 2024
A galaxy transitioned from being dim and quiet to bright and active, giving astronomers insight into active galactic nuclei.
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February 15, 2012
Eta Carinae, one of the most massive stars in our Milky Way galaxy, unexpectedly increased in brightness in the 19th century. For ten years in the mid-1800s it was the second-brightest star in the sky. (Now it is not even in the top 100.) The increase in luminosity was so great that it earned the rare title of Great Eruption. New research has used a "light echo" technique to demonstrate that this eruption was much different than previously thought.
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February 15, 2012
Astronomers are watching the astronomical equivalent of an instant replay of a spectacular outburst from the unstable, behemoth double-star system Eta Carinae, which was initially seen on Earth nearly 170 years ago. Astrophysicists affiliated with UC Santa Barbara and Las Cumbres Observatory Global Telescope Network contributed to the study.
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March 24, 2026
The decades since scientists confirmed the first planet around another star have been rich in discovery, but it’s rare to see a new solar system as it forms
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