You can tell spring has officially begun in the Northern Hemisphere just by looking at the stars. Here's how to easily spot ...

You know, after decades of pointing optics toward the sky, I consider myself a knowledgeable observer. But while researching ...

You might especially notice the two brightest stars in Orion (the hunter): Betelgeuse, in the northeast corner of the constellation; and Rigel, in the opposite corner. Both are gigantic stars that ...

You can tell spring has officially begun in the Northern Hemisphere just by looking at the stars. Here's how to easily spot the Spring Triangle without a telescope.

Astronomers say that of the thousands of stars visible to us in the northern hemisphere, Sirius is the brightest of them all.

This week’s small telescope target is the sky’s brightest reflection nebula: M78 in Orion. Through a small telescope at about 120x, you’ll spot an 11th-magnitude star. On either side of this ...

the second-brightest star in Orion the Hunter. In English, Betelgeuse roughly translates into “armpit of the great one.” That’s right, Betelgeuse marks Orion’s armpit. You can easily see ...

the second-brightest star in Orion the Hunter. In English, Betelgeuse roughly translates to “armpit of the great one.” That is right, Betelgeuse marks Orion’s armpit. You can easily see that ...

Orion's seven brightest stars make up the basic outline. The bright star, Betelgeuse, marks the right shoulder of the hunter, with bow pulled back. To the right is Bellatrix, the tip of the arrow.

The brightest is the bluish-white star Sirius ... Finally, there is ruddy Betelgeuse (magnitude +0.48), in Orion the Hunter, a star well-known for its irregular variability in brightness.