A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...

Sirius, also called the Dog Star, is the brightest star in Earth's night sky. Shining more brilliantly than any other star visible from Earth (excluding our sun, of course), Sirius is outshone only by ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. After spending the last six months in the evening sky for ...

Since 1986 I have had an affiliation with the Hayden Planetarium in New York. My "official" title there is "Associate and Guest Lecturer." Indeed, through all of these years I given scores of ...

The two brightest nighttime stars available in the Minnesota and Wisconsin sky are Sirius and Arcturus. April is the only month of the year we can enjoy both of them at the same time in the early ...

A new photo shows Mars shining like a red star in the night sky, alongside the blue-tinged "Heart of the Lion" star, Regulus. Despite their drastic differences, the two objects currently look ...

Betelgeuse, one of the brightest stars in the sky, may have a secret sunlike companion that drives the star’s mysterious six-year-long "heartbeat," new research suggests. When you purchase through ...

Some people probably believe that the twinkling effect is produced by the stars themselves, but that is not the case at all. Since 1986 I have had an affiliation with the Hayden Planetarium in New ...

The two brightest nighttime stars visible in the Pottsville sky are Sirius and Arcturus. April is the only month of the year when we can enjoy both of them at the same time in the early evening: ...