Deneb is the most distant bright star in Earth's sky, lying thousands of light-years away from Earth. (Its exact distance is uncertain.) The star is in the "tail" of the constellation Cygnus (the Swan ...

The Summer Triangle is high in the sky after sunset this month for observers in the Northern Hemisphere, its component stars seemingly brighter than before, as they have risen out of the thick, murky ...

The nights of October have the eerie ability to seamlessly transition summertime into mid-autumn before anyone seems to know what has happened. At the same time, the darkness holds clues to help the ...

NGC 7000, the North America Nebula, is a large emission nebula (2° by 1 2/3°) located near Deneb in the constellation Cygnus, and is part of a larger complex including the Pelican Nebula (IC 5070) and ...