When you buy through links on our articles, Future and its syndication partners may earn a commission. Inset: an illustration of a white dwarf. Main top: Gaia22ayj seen in X-rays and visible light.

From degeneracy to galactic archaeology, white dwarfs are helping scientists make sense of some of the universe's burning mysteries.

A smaller white dwarf star (left) pulls material from a larger star into a swirling accretion disk in this artist's concept released Nov. 19, 2025, to illustrate the first use of NASA's IXPE (Imaging ...

Artist’s impression of the long-period transient J1634+44, revealed to be a white dwarf with a companion. Credits: NSF/AUI/NSF NRAO/P. Vosteen. LOFAR is a low-frequency radio astronomy array that ...

WASHINGTON, Jan 12 (Reuters) - Astronomers have observed a white dwarf - a highly compact Earth-sized stellar ember - that is creating a colorful shockwave as it moves through space, leaving them ...

Scientists have discovered a “greedy” white dwarf star that is “going thermonuclear” as it devours its twin at an unprecedented rate. An international team of astronomers found that the double star, V ...

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The highly magnetized white dwarf is gravitationally bound to another star in what is called a binary system.

"This was the first star we've seen that is right in the middle of its 'teenage' phase." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.