Looking for a sky event this week? Check out our full Sky This Week column. December 2: Visit the Winter Albireo The Moon ...

Visible to the unaided eye as a tiny congregation of stars due west of Taurus’ V-shaped head, the Pleiades (M45), also known as the Seven Sisters, is one of the sky’s premier open star clusters. Under ...

Over the next couple of weeks, you’ll be able to spot Jupiter and Mars moving through the constellation Taurus and past two of the sky’s most famous star clusters — the Hyades and the Pleiades (M45).

This image of a stunning star cluster seems to resemble old friends sitting in a circle. The celestial object, officially known as M45, is an open star cluster often called the Pleiades. The Pleiades ...