A rare alignment of two exoplanets with their star, marking one of the few known exosyzygies, an astronomical event involving celestial bodies outside our solar system, is expected to occur. Despite its rarity, the phenomenon may pass entirely unobserved ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A planet parade — mistakenly called a planetary alignment by many — is set to unfold this weekend as six planets ...

Six planets will briefly share the twilight sky this month - but the conditions have to be just right.