Whatever its phase, the magnificent Moon has lots to offer.

Explore the Moon with binoculars or a telescope.

Let this Moon observer's hit list of craters, basins, mountains, rilles, and domes guide your telescopic explorations of Earth's nearest neighbor.

A mistake in a 1946 issue of Sky & Telescope changed pop culture and the English language in unexpected ways.

From the Middle Ages to the game of Trivial Pursuit, a folk-lorist explores the meaning of "blue Moon."

The full Moon is very bright, but there are still many fascinating features to observe during this or any phase when you look far from the terminator.

Mare Nectaris is the smallest of the circular maria on the Moon; lavas extend only 350 kilometers from shore to shore. But the Nectaris basin is beautifully defined by the spectacular Altai Scarp, which forms the southwestern rim of the basin.

The crater Plato is one of the superstars for observers of the Moon. It's big, conspicuous with its dark floor ringed by a bright rim, and long a subject of speculation, and controversy.

Oblique impact resolves the mystery of one of the most bizarre crater pairs on the Moon: Messier and Messier A. Previous explanations for this crater pair ranged from imaginative to fantastical. All were wrong.

The absolute best example of a lunar fault is the Straight Wall. This well-known lunar feature is a long thin line that never fails to impress; even through a small telescope it's a fascinating sight.

Tycho is the most conspicuous crater visible near full Moon, shining brilliantly and radiating great long rays. But the rays from Tycho that partially encircle the full Moon are not distributed equally in all directions.