When white dwarfs—the hot remnants of stars like our sun—are orbited closely by another star, they sometimes steal mass away ...

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

Dark matter remains one of science's deepest mysteries. It makes up about 25% of our universe, yet scientists only observe ...

Stars often die with a final burst of beauty. For the first time, astronomers have captured visual proof that a star can ...

In other cases, another member of the system will go on to form a second white dwarf. If gravitational instabilities bring ...

Astronomers capture first image of a white dwarf exploding twice in space Rare double-detonation seen in supernova remnant ...

The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...

Pictures of a distant supernova remnant show two concentric rings, providing clear evidence that exploding white dwarf stars ...

In October 1604, astronomer and mathematician Johannes Kepler spotted a new star in the sky and began tracking it. Over the course of several weeks, the star remained visible in the daytime and ...

Astronomers studying the remnant SNR 0509-67.5 have finally caught a white dwarf in the act of a rare “double-detonation” supernova, where an initial helium blast on the star’s surface triggers a ...

According to a fairly new theory, white dwarfs can explode twice in a row in certain circumstances. For the first time, we ...

Astronomers have taken the first ever image that shows what happens when a star explodes twice in a supernova.