Double star 61 Cygni: Why is it known as the Flying Star?

Compared to other stars, 61 Cygni moves quite rapidly against the background of more distant stars, revealing its proximity to Earth.

Meet Delta Scorpii, aka Dschubba

Delta Scorpii, also known as Dschubba, is a variable star in the constellation Scorpius. With your eyes alone, you can check its brightness for yourself.

Meet Shaula and Lesath, the Scorpion’s Stinger stars

Shaula and Lesath, the Stinger Stars, mark Scorpius the Scorpion’s tail. Learn how to find this striking constellation in the night sky.

Summer Triangle star: Altair is variable and spins fast!

Altair, in the constellation Aquila the Eagle, is one of the closest stars to our solar system. It's variable in an unusual way, and it spins very fast!

Summer Triangle star Deneb is distant and luminous

When you gaze at the bright star Deneb, you’re gazing across thousands of light-years of space at one of the bright stars of the huge Summer Triangle asterism.

Summer Triangle star: Vega is bright and blue-white

The Summer Triangle star pattern hangs in the east on July and August evenings in the Northern Hemisphere. Its brightest star is blue-white Vega.

Exquisite Albireo, a beloved and colorful double star

Albireo, in the constellation Cygnus, is a favorite for stargazers. Through a small telescope, it appears as a beautiful gold star with a dimmer blue companion.

Epsilon Lyrae is the famous Double Double star

To the unaided eye, Epsilon Lyrae appears as 1 star. But it’s actually a system with at least 5 stars. Learn how to find them here.

Is Zubeneschamali a green star? Pros say no … sky-watchers say yes

Professional astronomers can explain to you why stars can’t look green. Yet many stargazers insist that Zubeneschamali proves otherwise. What's the truth?

Massive ruby red Antares is the Scorpion’s Heart

Red Antares, Heart of the Scorpion in the constellation Scorpius, is a massive red supergiant star in the last stages of its lifespan.