Tonight, a brilliant near-full moon rises in the east with Regulus, the heart of Leo, just ahead. Don’t miss this striking ...

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 ...

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 ...

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 ...

Antarctica's patterns of stark seasonal changes, with months of darkness followed by a summer of 24-hour daylight, prompted us to explore how a Māori lunar and environmental calendar (Maramataka) ...

You’ll find several bright planets, stars and obvious constellations in the February evening sky. The most obvious constellation this month is Orion. To find Orion, face south and look for Orion’s ...

Each Monday, I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern latitudes). Check my main feed for more in-depth articles on ...

Some people probably believe that the twinkling effect is produced by the stars themselves, but that is not the case at all. When you purchase through links on our site, we may earn an affiliate ...

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: ...