Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

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

A study of supernova remnant SNR 0519-69.0 using the Chandra X-ray telescope, Hubble and more has narrowed down its age to ...

Astronomers directly imaged a faint companion star orbiting Betelgeuse, solving a decades-old mystery about its strange ...

For several decades, evidence has suggested that the expansion of the universe is accelerating. Crucial to those estimates were the use of standard candles, celestial events of the same luminosity ...

As a triple star system, Polaris provides critical data for studying stellar pulsations and gravitational interactions, ...

"If you were able to stand somewhat close to the white dwarf's pole, you would see a column of gas stretching 2,000 miles ...

Regular stars collapse and die once they run out of fuel for their nuclear reactions, but the white dwarfs just sit there, hanging out, for eternity.

Tracking down black holes at the center of dwarf galaxies has proven difficult. In part it is because they have a tendency to ...

Some 200 light years from Earth, the core of a dead star is circling a larger star in a macabre cosmic dance. The dead star ...

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 ...