Castor, the second-brightest star in the constellation Gemini, is one of the most luminous stars over Earth and a key target for skywatchers, showing there is often much more to stars than meets ...

Pollux and Castor are two fairly bright stars not far apart on the face of the night sky, prominent on April evenings. These two are considered the “heads” in the constellation, Gemini the Twins.

In the Western zodiac, the constellation is named for Castor (or Alpha Geminorum) and Pollux (Beta Geminorum), twin half-brothers born to the Spartan queen Leda. Get the Space.com Newsletter.

The constellations help us find our way around the sky, ... Gemini's head stars, Castor and Pollux (labeled "2" below), stand out in the sky due to their brightness. Cassiopeia ...

This week, a remarkable celestial alignment will occur in the western sky, providing an exciting opportunity for stargazers.

Castor became one of the finest horsemen in the land, and Pollux became a championship boxer. The constellation Gemini is also the backdrop for the annual Gemini meteor shower that peaks the night ...

Tonight's gibbous moon can help guide skywatchers to two iconic stars in the night sky. On Wednesday (March 29), the moon will appear just below the two twins of the Gemini constellation, Castor ...

THE DECEMBER HEAVENS; Beautiful Stars and Constellations on View in the Sky. In Addition to Orion in the Same Section May Be Seen the Group of the Twins with Castor and Pollux -- The Other Displays.

Just like celestial clockwork, the Earth, in its orbit around the sun, has swung in the direction of the constellation Gemini the Twins. It’s on the rise in the early evening Pottsville eastern ...