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A fresh look at red giant stars offers key insights into cosmic distance measurements and a way to measure the universe's expansion with the highest accuracy. In a constantly expanding universe, ...

Astronomers have finally cracked a decades-old mystery about red giant stars—how material from their deep interiors makes its way to the surface. Using cutting-edge supercomputer simulations, ...

Astronomers from the University of Hawaiʻi Institute for Astronomy (IfA) have uncovered the turbulent past of a distant red giant by listening to its celestial "song." Subtle variations in the star's ...

Astronomers across the globe discover something new about the universe pretty much every day, and sometimes they don’t even do it on purpose. But what the European Space Agency discovered back in ...

When giant stars eat giant planets, their starlight may shine a bit less brightly. That dimming could affect how astronomers measure distances across the universe — and possibly even put past ...

Hi, I just read your article on the red giant/white dwarf binaries and loved it! Thanks for the post! My question is, do we have any recorded examples of a RG/WD binary? I sifted through about 20 ...

Solar winds gusted from a red giant’s outer layers began feeding its companion, a tiny neutron star, essentially rejuvenating it. There’s some adage out there about helping out your neighbor, right?