Astronomers have spotted two hefty white dwarf stars - highly compact stellar embers - orbiting close together that appear ...

White dwarfs typically have a radius just ... Red giants exist for only a short time—perhaps just a billion years–compared with the ten billion the same star may already have spent burning ...

Learn how gravity and mass are pulling two stars into tighter, faster orbit around each other, with an explosive collision ...

A white dwarf and a red dwarf orbiting each other every 125 minutes emit radio pulses, confirmed through observations with multiple telescopes. This discovery clarifies the origin of such pulses ...