A rare alignment of two exoplanets with their star, marking one of the few known exosyzygies, an astronomical event involving ...

Planetary alignments occur when multiple planets from our solar system appear together in the night sky. There are four major categories of planetary alignments: mini (3 planets), small (4), large ...

STATEN ISLAND, N.Y. — Stargazers looking to the sky this spring will be in for a treat. Three astronomical events are slated to dazzle admirers in the weeks ahead, the first of which will take place ...