We’re getting ready to say goodbye to the summertime constellations, including Cygnus the Swan, now about 40° high in the west two hours after sunset. Before this famous star pattern disappears, ...

Bright stars, bright Mars and a vanishing Moon will highlight the winter sky over Washington. Our longest nights are replete with celestial sights to delight anyone who enjoys crisp cold evening walks ...

The winter solstice occurs today at 10:03 A.M. EST. This marks the beginning of astronomical winter in the Northern Hemisphere and astronomical summer in the Southern Hemisphere. (Note that ...

Have you ever noticed that winter skies often seem more colorful and intense than those of other seasons? This palette, particularly visible during the cold months, is not just a ...