About 8,150 light-years from Earth, a white dwarf star named Gaia22ayj has intrigued astronomers. Its unusual behavior, ...

White dwarfs have ended their main life cycle, existing as barely glowing embers, and had been previously considered barren. Jay Farihi, professor of Astrophysics at University College London, ...

The life cycle of a star starts with dense regions in the nebula and ends in a supernova explosion. ... A white dwarf's radius is just .01 times that of our Sun, ...

The team eventually concluded that Gaia22ayj is a missing link in the life cycle of white dwarf pulsars, a rare and short-lived early phase of these objects.

WASHINGTON, June 30 – In their death throes, roughly 97 percent o, af all stars become a smoldering stellar zombie called a white dwarf, one of the densest objects in the cosmos. A newly ...

Eventually, a main sequence star burns through the hydrogen in its core, reaching the end of its life cycle. ... White dwarfs no longer burn fusion at their center, but they still radiate heat.

A slowly cooling stellar ember called a white dwarf with a scar on its face is providing new insight into the behavior of certain "cannibal" stars at the end of their life cycle.

A new analysis of white dwarf stars supports their role as a key source of carbon, an element crucial to all life, in the Milky Way and other galaxies. Approximately 90 percent of all stars end their ...