An illustration of a red dwarf (left) and a white dwarf (center) orbiting each other. . | Credit: Daniëlle Futselaar/artsource.nl Astronomers have cracked the case of a mysterious repeating radio ...

First discovered in 2006, astronomers have been puzzled by long-period radio transients for almost 20 years, unable to figure out how ... X J0704-37 is a low-mass red dwarf star, also known ...