Our universe could be twice as old as current estimates, according to a new study that challenges the dominant cosmological model and sheds new light on the so-called "impossible early galaxy problem."
Astronomy
Jul 13, 2023
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Scientists have succeeded in dating some of the oldest stars in the galaxy with unprecedented precision by combining data from the stars' oscillations with information about their chemical composition.
Astronomy
May 17, 2021
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The outskirts of the Milky Way are home to the galaxy's oldest stars. But astronomers have spotted something unexpected in this celestial retirement community: a flock of young stars.
Astronomy
Jan 8, 2020
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Just how quickly is the dark matter near Earth zipping around? The speed of dark matter has far-reaching consequences for modern astrophysical research, but this fundamental property has eluded researchers for years.
Astronomy
Jan 24, 2018
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MIT researchers, including several undergraduate students, have discovered three of the oldest stars in the universe, and they happen to live in our own galactic neighborhood.
Astronomy
May 14, 2024
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94
An international team of researchers has obtained the largest set of detailed observations yet of the oldest stars in the center of our Galaxy, the Milky Way. The Pristine Inner Galaxy Survey (PIGS) team finds that this group ...
Astronomy
Jul 4, 2023
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809
Astronomers have been gazing at the Triangulum galaxy for centuries. But they've never seen it quite like this.
Astronomy
Jan 11, 2023
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80
Astronomers have discovered more than 200 distant variable stars known as RR Lyrae stars in the Milky Way's stellar halo. The most distant of these stars is more than a million light years from Earth, almost half the distance ...
Astronomy
Jan 9, 2023
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710
An international team of researchers working at a research site situated a mile and a half below China's Jinping Mountains, has found via experimentation, a likely explanation for the high concentrations of calcium seen in ...
A team of Canadian astronomers, including experts from the Dunlap Institute for Astronomy & Astrophysics in the University of Toronto's Faculty of Arts & Science, have used the James Webb Telescope (JWST) to identify the ...
Astronomy
Nov 2, 2022
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