Could the nearby star Sirius B explode as a type Ia supernova, like some other white dwarf stars in binary star systems have?

The brightest star in the nighttime sky, Sirius, or the Dog Star, greatly outshines its white dwarf companion, Sirius B. At 8.6 light-years away, Sirius B is the nearest known white dwarf star to ...

Stargazers watched the skies with bated breath on Thursday night in hopes that T Coronae Borealis, a system consisting of a hot, red giant star and a cool, white dwarf star about 3,000 light-years ...

Nova explosions occur in semi-detached binary systems containing a cool late-type star and a white dwarf. "A hot white dwarf star, about the size of the Earth but having mass comparable with that ...

A white dwarf is the stellar core left behind after a dying star has exhausted its nuclear fuel. A new study used data from powerful X-ray missions, NASA’s Chandra X-ray Observatory and the Euro ...

Astronomers have detected mysterious X-ray signals coming from a nearby white dwarf star for more than 40 years. We may now know where they’re coming from – the death throes of a planet being ...

Pairing the known age of a white dwarf with the variable age of a main sequence star allows for more straightforward calculations of important parameters like the relationship between a star's age ...

Once it approached close enough to the white dwarf, the gravity of the star would have partially or completely torn the planet apart. "The mysterious signal we've been seeing could be caused by ...