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Orange Aldebaran is Taurus the Bull’s fiery eye
Aldebaran is an enormous star that marks one of the eyes of Taurus the Bull. If placed where our sun is, its surface would pass the orbit of Mercury.
December 3, 2025
Meet Hamal, an ancient equinox star, in Aries the Ram
Meet Hamal, the brightest star in Aries, and learn why people sometimes refer to the March equinox point as the First Point in Aries.
November 18, 2025
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 a 4-star system.
November 6, 2025
Algol the Demon Star, named for its strange behavior
What's the scariest star in all the heavens? It's Algol the Demon Star, and you can see it on autumn evenings. Click in to learn the secret of Algol's creepiness!
October 31, 2025
Gamma Cephei, aka Errai, a future North Star
Gamma Cephei - or Errai - is a binary star system that will one day be Earth’s North Star. It's home to the 1st exoplanet ever discovered.
September 28, 2025
Fomalhaut is the Loneliest Star … but not in 2025
Fomalhaut is known as the 'lonely one' or 'solitary one' because it shines brightly in an otherwise dim patch of sky. But in 2025, Saturn is nearby.
September 15, 2025
Thuban was the North Star for the ancient Egyptians
The North Star changes over time. Thuban was the Pole Star some 5,000 years ago, when the Egyptians were building the pyramids.
August 12, 2025
61 Cygni – a double star – is nicknamed Flying Star
Compared to other stars, 61 Cygni moves quite rapidly against the background of more distant stars, revealing its proximity to Earth.
August 7, 2025
Eltanin and Rastaban, the Dragon’s eyes
These 2 famous stars shine down from the northern sky. Eltanin and Rastaban represent the fiery eyes of the constellation Draco the Dragon.
July 29, 2025
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!
July 23, 2025
