With the bright Moon in Taurus tonight, let’s cast our gaze across the sky to Pisces to discover one of the sky’s reddest rubies. 19 Piscium, also called TX Piscium, is a deep red carbon star.

Betelgeuse is a red giant star that exhibits roughly 100,000 times the brightness of our sun and more than 400 million times the volume. According to the new models, a companion star could act ...

Betelgeuse, one of the brightest stars in the night sky, may not be alone. And its potential companion may be responsible for ...

Our Sun is classified as a yellow-white G-type star, while Arcturus is a K-type star 25 times the size of the Sun. Arcturus is aging and moving into the red giant stage of stellar evolution, which ...

On the evening of Sunday, Aug. 3, skywatchers will be treated to a close encounter between two of the sky’s brightest nighttime objects. Just after sunset, the waxing crescent moon will appear ...

The moon will pass near Antares as both are seen in the Scorpius constellation. (Image credit: Starry Night) Antares is a red supergiant star 700 times the size of the sun.

A mysteriously dimming star in the Orion constellation, normally visible to the naked eye in the night sky, could have been explained, with scientists tapping new astronomical data to figure out ...