Sirius B: Now is the best time to see Sirius’ companion

Now is a great time to see Sirius' dim companion, Sirius B. The two are currently at their maximum separation as viewed from Earth.

Menkar – a visual double – is the Whale’s alpha star

It's not the most famous star in Cetus the Whale, or the brightest. But Menkar is the Whale's alpha star and has its own claims to fame.

Aldebaran is Taurus the Bull’s fiery eye

Aldebaran, the brightest star in Taurus the Bull, is at one tip of a V-shaped cluster. If placed where our sun is, its surface would pass the orbit of Mercury.

Mirfak is the brightest star in Perseus the Hero

Mirfak is the brightest star in Perseus and is visible even from light-polluted locations. This star is a member of the Alpha Persei Moving Cluster of stars.

Achernar is the End of the River of Eridanus constellation

Achernar is the 9th brightest star and flattest star known. It marks the end of Eridanus the River. Here's why much of Earth never sees it ... and how you can.

Al Risha binds the Fishes of Pisces together

The star Al Risha in the constellation Pisces isn't bright. But it's at the tip of the graceful V in the constellation Pisces and it's very noticeable.

Meet Hamal, an ancient equinox star

Meet Hamal, the brightest star in Aries, and learn why people sometimes refer to the March equinox point as the First Point in Aries.

Almach, a quadruple star system in Andromeda

With the eye alone, Almach looks like a single star. Through a telescope, it looks like a colorful duo. But Almach is really 4 stars.

Algol the Demon Star of Perseus

What's the scariest star in all the heavens? Look for Algol the Demon Star on autumn evenings. It's a great choice for a driveway telescope night on Halloween.

Deneb Kaitos marks the tail of Cetus the Whale

Deneb Kaitos is the brightest star in the constellation Cetus the Whale. It's at its highest in the sky on October and November evenings.