The night sky features two great crosses -- one in the northern hemisphere, and the other in the south.
The biggest moon in the solar system is bigger than the planet Mercury. It’s the only moon known to generate...More »
Jupiter, the largest planet in the solar system, stands just below the Moon this evening and looks like a brilliant...More »
Spica is the bright star to the lower right of the Moon tonight. Although it looks like a single star,...More »
The Sun isn’t bothered by much. That’s because it orbits the center of the galaxy on its own. But most...More »
It’s almost a cliché these days, but it’s true nonetheless: We are all made of starstuff. The calcium in our...More »
Skywatchers at far-southern latitudes can see Lupus, the wolf, leaping low across the sky on summer evenings. You need dark...More »
Cassiopeia the queen sits low in the north-northeast at nightfall, then wheels high to the north at first light. Its...More »
Cassiopeia the queen sits low in the north-northeast at nightfall, then wheels high to the north at first light....More »
Delphinus, the dolphin, is in good view in the east at nightfall. This tiny pattern of stars really does look...More »
The death of a star can produce some spectacular fireworks. The star blasts all or most of itself into space,...More »
Venus, the dazzling “evening star,” lines up close to the crescent Moon this evening. Venus shines so brightly in part...More »
Venus is just about the most inhospitable place you can imagine. Its surface is hot enough to melt lead, the...More »
Plan all of your stargazing adventures with our 2018 Sky Almanac, which offers skywatching tips, charts, Moon phases, and much more. Order online or call 1-800-STARDATE during regular business hours.