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30 years ago, an amateur astronomer noticed a white dwarf star suddenly getting brighter. New research shows this is due to a Very Late Thermal Pulse, a type of helium flash. The s...
Astronomers detected an unusual triangular light curve about 300 light years away. They were searching for Black Widow Binaries, where a dense neutron star eats its companion. But...
Red and white dwarf stars may be hungrier than we thought
When a dying star runs out of fuel and sheds its outer layers, its remaining core can become an approximately Earth-sized, extremely dense stellar remnant called a white dwarf. For...
Potential ‘Second generation’ planet detection around a dying stellar white dwarf opens a whole new chapter of exoplanetary science.
Brown dwarfs are the black (or brown?) sheep of astronomy. They’re too big to be considered a traditional gas planet, but they are too small to have started nuclear fusion and made...
Learn more about a new advanced model that is helping researchers see the true colors of some white dwarf stars.
A star’s color usually reflects its temperature, but white dwarfs can break that pattern, with models revealing unexpected shades of green, pink, and purple. A star that has drawn...
Future gravitational wave observatories will be able to see the gravitational waves of close-orbiting binary stars. A newly studied white dwarf system could be one of the first sys...
How small can brown dwarfs be before the definition breaks down? That question is at the heart of new research, and new JWST images. Using the space telescope, researchers have dis...
A pair of white dwarfs race around each other every 374 seconds, creating a rhythmic X-ray beacon that could reveal powerful gravitational waves. Every 6.2 minutes, two dead stars...
The most comprehensive catalogue of exploding white dwarf stars ever assembled has revealed new clues about dark energy, the mysterious force driving the universe’s accelerating ex...
Discover how an anomaly that has puzzled astronomers for years was solved, and what it can tell us about how stellar systems interact.
Astronomers using data from the Euclid space telescope have discovered an exceptionally faint stellar system near the Fornax dwarf galaxy. Called Fornax-7, it appears to contain on...
Astronomers have discovered the first example of a second-generation planet orbiting a white dwarf, a world that appears to have formed from the remains of the dead star it now orb...
The Chandrasekhar limit states that a white dwarf can be no larger than 1.4 solar masses. A new study demonstrates how highly magnetized white dwarfs could overcome that limit, and...
A new image of the Helix Nebula reveals how dying stars return material to the galaxy. The Helix Nebula offers a rare look at what happens after a dying star releases its outer lay...
There are myriad ways of "being a star," and scientists spend years trying to uncover and understand them. One unusual type is the so-called hot subdwarf—small stars that burn my...
Astronomers revisiting old observations from NASA’s Hubble Space Telescope have uncovered a clue that may solve a decades-old cold case. A study published October 5 in Nature Astro...
The most comprehensive catalogue of exploding white dwarf stars ever assembled has revealed new clues about dark energy, the mysterious force driving the universe’s accelerating ex...
Like Earth, most planetary bodies circle their star in stable, detached orbits. These companionable systems can suddenly change when a planet comes too close to its star. In such a...
The discovery reveals a new way that stars and planetary companions can interact.
University of Warwick astronomers have shown that white dwarf stars can glow in a range of colors, including the first star ever found that would appear green to the human eye.
It’s August 1983, and White Dwarf grows and expands yet again.
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