Articles
Guides to galaxies, nebulae, telescopes, and the night sky — for curious minds everywhere.
Betelgeuse: The Red Giant That Might Explode
Betelgeuse is a massive, dying star on Orion's shoulder that will one day explode as a supernova. When it does, it will be visible in daylight. Here's what we know.
Team Visit Astronomy · Apr 2, 2026
Vega, Deneb, and Altair: The Summer Triangle Stars
The Summer Triangle is the most prominent pattern in the summer sky — three brilliant stars from three different constellations forming a vast triangle overhead. Meet Vega, Deneb, and Altair, and discover what makes each one remarkable.
Team Visit Astronomy · Mar 14, 2026
Fomalhaut and Its Mysterious Debris Ring
Fomalhaut is one of the brightest stars in the sky and hosts a spectacular debris ring that has fascinated astronomers for decades. Discover the star, its dusty disk, the mystery of Fomalhaut b, and how to observe this autumn gem.
Team Visit Astronomy · Dec 26, 2025
Rigel: The Blue Supergiant Lighting Up Orion
Rigel is the brightest star in Orion and one of the most luminous stars visible to the naked eye. Learn about this blue supergiant’s extreme properties, how to observe it, and what its future holds.
Team Visit Astronomy · Dec 24, 2025
Star Colors and Temperatures: What They Tell Us
Stars come in blue, white, yellow, orange, and red. Those colors aren\'t random. They reveal a star\'s surface temperature, size, and stage of life.
Team Visit Astronomy · Oct 11, 2025
Antares: The Red Heart of Scorpius
Antares is the fiery red supergiant that marks the heart of the scorpion constellation. Here\'s why this dying star deserves your attention.
Team Visit Astronomy · Oct 8, 2025