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

Scientists have discovered a “greedy” white dwarf star that is “going thermonuclear” as it devours its twin at an unprecedented rate. An international team of astronomers found that the double star, V ...

What can white dwarf stars eating their own planets teach astronomers about planetary and solar system formation and evolution? This is what a recent study published in The Astrophysical Journal hopes ...

Hubble has helped uncover a white dwarf that’s likely the result of two stars crashing together. Carbon traces in its atmosphere tell a story of a cosmic merger, a rare phenomenon previously invisible ...

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, ...

In theory, a white dwarf can have a mass of up to 1.4 times that of the Sun, but white dwarfs heavier than the Sun are rare. These objects, which astronomers call ultra-massive white dwarfs, can form ...

An ambitious project to map the density of every object in the cosmos has yielded a few surprises, and may help lead to new ...