A white dwarf is the remnant of a star that has shed its outer layers ... X-ray light is magenta-purple, ultraviolet light is periwinkle-purple, optical light is orange and light blue, and ...

This breathtaking picture reveals a star 'destructing ... ultraviolet data from GALEX (purple) of the Helix Nebula. Data from Chandra indicates that this white dwarf has destroyed a very ...

Astronomers are once again getting excited about a rare nova that could appear in the night sky anytime from now into the coming months. Here's why.

"When I first spotted this system with a very high total mass on our galactic doorstep, I was immediately excited." A pair of rare, compact white dwarf stars that are set to collide in about 23 ...

Using the Hubble Space Telescope, astronomers have made the first direct observation of star clusters colliding and merging at the hearts of dwarf galaxies. The discovery could help scientists ...

It is rare to find brown dwarf stars orbiting in pairs, and this pair has an even more unusual exoplanet companion ...

Dwarf galaxies are the most abundant type of galaxy that populate the universe. Composed of 100 times fewer stars than the Milky Way, or even less, they are the building blocks of more massive ...

Results of the new observations, published April 9 on the arXiv preprint server, indicate that the system harbors a massive pulsating white dwarf. Cataclysmic variables (CVs) are binary star ...