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 ...

Sculptor A, one of three newly discovered dwarf galaxies - and unrelated to the well-known Sculptor spiral galaxy - is visible here as a faint accumulation of stars beyond several bright stars in the ...

The three ultra-faint dwarf galaxies reside in a region of space isolated from the environmental influence of larger objects. Containing only very old stars, they support the theory that star ...

Astronomers have discovered a rare group of five dwarf galaxies located relatively close to Earth; these galaxies exist in a near-perfect alignment, resembling a string of cosmic pearls in the sky.

This periodicity suggested the rotation of either a neutron star or a white dwarf. Now, a new analysis of the available data conducted by Sandro Mereghetti of the Institute of Space Astrophysics ...