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'Runaway' black hole the size of 20 million suns caught speeding through space with a trail of newborn stars behind it
By Robert Lea last updated
Astronomers have discovered a "runaway" black hole, potentially the first observational evidence that supermassive black holes can be ejected from their host galaxies.
Black holes may be swallowing invisible matter that slows the movement of stars
By Robert Lea published
Scientists watched as two stars slowed in their orbits around black holes, concluding it was the result of "drag" generated by dark matter.
The early universe was crammed with stars 10,000 times the size of our sun, new study suggests
By Paul Sutter published
When the universe's first stars emerged from the cosmic dark ages, they ballooned to 10,000 times the mass of Earth's sun, new research suggests.
NASA scientists 'weigh' a white dwarf for the first time using a space-time trick predicted by Einstein
By Briley Lewis published
NASA astronomers used the Hubble Space Telescope to measure the mass of a white dwarf, an important step for understanding how stars die.
Deep space 'hurricanes' could point the way to alien worlds
By Stefanie Waldek published
When new planets form in distant solar systems, they carve out 'hurricanes' and 'vortices' in the surrounding dust that could lead astronomers straight to them.
Spectacular Butterfly Nebula offers a glimpse of our sun's final fate
By Brandon Specktor published
New time-lapse images of the beautiful Butterfly Nebula come closer to explaining its spectacular strangeness.
World's largest communication satellite is a photobombing menace, astronomers warn
By Harry Baker published
The International Astronomical Union has issued a warning over the newly launched BlueWalker 3 satellite, which is causing interference for both optical and radio telescopes.
Crushed-up planets around dead stars could rewrite the history of the solar system
By Brandon Specktor published
A new study of white dwarfs with "polluted" atmospheres is causing scientists to rethink how and when planets form.
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