One of the classic constellations of autumn is Pegasus, the flying horse soaring above the southeastern horizon in the evening sky. It’s by far the largest celestial horse we see in our night sky.

Here’s how it works. An illustration of the night sky on Sept. 7, 2023 showing the Great Square of the Pegasus constellation prominent in the eastern sky. (Image credit: Chris Vaughan/Starry Night) ...

Today, astronomers officially recognize 88 constellations, dividing up the entire night sky. Learning a few of the big ones first makes it way easier to find other stars and deep-space objects.

Andromeda, the Chained Maiden constellation, can be seen from August through February. This large constellation in the northern sky is conspicuous thanks to its attachment to the neighboring ...

When winter rolls around, our location in space gives us a fresh set of constellations to admire. Orion the Hunter, Taurus the Bull, and Canis Major with the brightest star in the night sky, Sirius, ...

The signature autumn asterism, the Great Square of Pegasus, with its four corner stars Markab, Scheat, Algenib and Alpheratz, stands high in the south by around 8 p.m.

The new moon of May occurs on May 26. Two days later the moon will make a close pass to Jupiter in the evening sky, and the summer constellations will be rising.

March's new moon rises today, making this a great dark night to observe the winter constellations before they leave the night sky. The new moon occurs March 10, at 5:00 a.m. EDT (0900 UTC ...

Satellite constellations are too bright—may threaten astronomy and our night sky by Mark Thompson, Universe Today edited by Gaby Clark, reviewed by Andrew Zinin Editors' notes ...

One of the classic constellations of autumn is Pegasus, the flying horse soaring above the southeastern horizon in the evening sky. It’s by far the largest celestial horse we see in our ...