An exosyzygy – an alignment of three celestial objects around another star – is predicted to happen later this year, but it ...

The alignment of planets in space has previously only been depicted in films, cartoons, or animations, but this month we will be able to see it with our own eyes. A rare astronomical alignment of five ...

The star was likely not a star at all but a rare, once-in-several-millennia alignment of planets that would have grabbed the attention of the magi, and signified that a momentous birth had occurred ...