A decade-long cosmic mystery has finally been solved: astronomers have traced strange, repeating radio pulses to an unusual ...

A not-so-distant white dwarf named WD 2226-210 has been on our radar since the 1980s for releasing X-rays, now we may know ...

and that it exhibits strong spectral emission lines. Its companion is a white dwarf star that is about 20% more massive than our sun. White dwarfs are the final stage of sun-like stars that have ...

For more than 40 years, astronomers have been puzzled by strange X-ray signals coming from the Helix Nebula, a cloud of gas ...