The Moon passes 0.4° south of the bright red giant Antares in Scorpius this morning at 4 A.M. EST. The pair is visible in the ...

Whenever you gaze upon the stars and constellations, it’s easy to forget you’re seeing a three-dimensional picture over ...

Betelgeuse, approximately 100,000 times as luminous as the Sun and 400 million times its volume, is nearing the end of its life. As a variable star, it pulses with a heartbeat-like rhythm.

The winter sky has some brightly lit star patterns visible this month, including a triangle featuring Mars, making it ...

The middle star in the dagger is actually not a star, but the Orion Nebula, which through a telescope is revealed to be a ...

In the same part constellation, Orion, as Betelgeuse but even farther away is the Orion Nebula, a place where we see new stars forming. Its distance is 1500 light years, meaning that the light we ...

Finally, there is ruddy Betelgeuse (magnitude +0.48), in Orion the Hunter, a star well-known for its irregular variability in brightness. These stars appear in that order, as the twilight sky ...

The night sky is the window to the rest of our universe but it’s also great for lovers. It’s great being in the dark with the ...

Betelgeuse, the left “shoulder” of Orion, has always been a star of intrigue. Look at it long enough (and we mean generations-long), and you’ll notice its strange pattern: dimming and ...

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.