When white dwarf stars die, their surface changes pretty dramatically. And for the first time, astronomers have discovered a ...

Add Yahoo as a preferred source to see more of our stories on Google. The central square image, taken with the MUSE instrument on ESO In the shockwave, a red hue represented hydrogen, green ...

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 ...

NASA's Hubble Space Telescope detected material from a Pluto-like body spiraling into a white dwarf star 260 light-years away from Earth. Credit: NASA / JPL-Caltech / Tim Pyle illustration For the ...

Some white dwarfs in rapid binary orbits are far hotter and larger than theory predicts. Researchers found that powerful tidal forces between them generate enough heat to inflate their sizes and ...

Could an ocean – likely needed to sustain life – even survive on a planet orbiting close to a dead star? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

White dwarfs that form through the evolution of a single star have atmospheres composed of hydrogen and helium. The core of the white dwarf is typically composed mostly of carbon and oxygen or oxygen ...

A white dwarf star named V Sagittae, located about 10,000 light-years from Earth, is astonishing scientists with its unique behaviour. This binary star system is drawing attention due to the white ...

Add Yahoo as a preferred source to see more of our stories on Google. The central square image, taken with the MUSE instrument on ESO's Very Large Telescope, shows shock waves around the dead star ...

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 ...