Astronomers in China have observed a pulsar that becomes partially eclipsed by an orbiting companion star every few hours. This type of observation is very rare and could shed new light on how binary ...

A notable study reported the discovery of a pulsating white dwarf in an eclipsing binary system, where asteroseismology was employed to derive highly precise stellar parameters independent of the ...

Even though it’s relatively small, Pluto has five moons, one of which is so close to Pluto in size that some astronomers argue Pluto and this moon, Charon, are a binary system. 1 of 9 This ...