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.

The future of yellow dwarf stars, like our sun, is determined almost entirely by their mass. The most massive stars, about eight to 12 times heftier than the sun, can explode as supernovae, leading to ...

ASKAP J1832 (in circle) captured by th Chandra X-Ray Observatory ASKAP J1832 (in circle) captured by th Chandra X-Ray ObservatoryX-ray: NASA/CXC/ICRAR, Curtin Univ./Z. Wang et al.; Infrared: ...

White dwarf stars represent the evolutionary endpoints of medium- and low-mass stars, comprising the dense, electron-degenerate cores left after nuclear fuel exhaustion. In binary systems, ...

Binary star systems are not rare. Neither are systems where one star is a remnant like a white dwarf or neutron star, and its companion is on the main sequence. In those systems, the dense remnant can ...

Astronomers have discovered the "missing link" connecting the death of sunlike stars to the birth of white dwarf stellar remnants, in the form of a "teenage vampire" white dwarf. This vampire isn't ...

"This was the first star we've seen that is right in the middle of its 'teenage' phase." Astronomers have discovered the "missing link" connecting the death of sunlike stars to the birth of white ...