A team of U.S. astronomers has observed a binary pair of white dwarfs where one star is actively devouring material from the ...

Sirius is a blue giant, which burns through its fuel quickly and lives only a relatively short period of time. Yet it has a ...

Astronomers using the Hubble Space Telescope have discovered a "ultra-massive white dwarf that formed when a white dwarf ...

A rare white dwarf merger remnant emerges in ultraviolet light, revealing thin layers of hydrogen and helium stripped away during a cosmic collision. Scientists at the University of Warwick report the ...

Astronomers recently peered deep into space and found that an old, faint white dwarf named LSPM J0207+3331, located about 145 light-years away, is still consuming the rocky remains of its former ...

Gamma Cassiopeiae, the central star of the W-shaped Cassiopeiae constellation, has long stumped astronomers because of its ...

In an ancient star system expected to be stable and dormant, scientists found a 3 billion-year-old white dwarf star still tearing apart massive quantities of rock. “The rate we’ve seen rock consumed ...

By Will Dunham 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, ...

"When we saw the results, it actually fitted this long-standing question of how these hypervelocity white dwarfs formed. It was super cool." When you purchase through links on our site, we may earn an ...

Artist’s impression of the long-period transient J1634+44, revealed to be a white dwarf with a companion. Credits: NSF/AUI/NSF NRAO/P. Vosteen. LOFAR is a low-frequency radio astronomy array that ...

"This was the first star we've seen that is right in the middle of its 'teenage' phase." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

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 ...