Scientists have discovered two rare white dwarfs—which are among the dimmest stars in the universe—that feature changes in their surface composition caused by magnetic fields. This brings the ...

One of the white dwarfs has a mass about 83% that of our sun and the other about 72%. No other known white dwarf binary has a ...

An artistic rendering of the moment when the first white dwarf explodes and spews material at the second white dwarf, which itself is about to explode. Credit University of Warwick/Mark Garlick ...

Star symbols are the now seven confirmed double-faced white dwarfs, including J0847+4824 and J0856+1611 presented in this work. Credit: The Astrophysical Journal (2025). DOI: 10.3847/1538-4357/adbd3a ...