<ul><li>Scientists have confirmed a long-predicted effect in dying stars called white dwarfs: hotter white dwarfs are slightly puffier than cooler ones, even when they have the same mass.</li><li>Studying over 26,000 white dwarfs, this finding could provide insights into extreme gravity and potentially unveil the mysteries of dark matter.</li><li>White dwarfs are the leftover cores of stars that have burned through their nuclear fuel and are incredibly dense.</li><li>Understanding white dwarfs better could contribute to the hunt for dark matter and help refine theories about massive star evolution.</li></ul>

Dead stars reveal secrets of extreme gravity and dark matter

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