Tagged: star systems

A wild variety of star systems exist in the nearby regions of the Milky Way, and astronomers are eager to know where they might find an “Earth 2.0,” or an Earth-size exoplanet that has liquid water and orbits in the habitable zone of its parent...

Our solar system is full of moons – more than 200 of them – but we have yet to definitively spot a moon orbiting a planet beyond our own system. However, astronomers have now found six exoplanets that may have natural satellites. Chris Fox and...

A surprising number of massive stars in our Milky Way galaxy are part of close stellar duos, a new study finds, but most of these companion stars have turbulent relationships — with one “vampire star” sucking gas from the other, or the two stars violently...