Reflections from Space: Spot Iridium Flares
You can spot these giant space mirrors if you find out when they're likely to occur. READ MORE »

	Starhopping: Find a Pair of Galaxies
Two galaxies are found close to the Big Dipper in the sky, and are known by the numbers 81 and 82 in Messier's catalog. READ MORE »

	Seeing Double: When One Star is Really Two
Nearly half of the stars in the sky are double or multiple. READ MORE »

	See Two Star Clusters Near the Moon
On Thursday evening, May 28, the moon can serve as a guide to help you find two star clusters. READ MORE »

	See Moon Shadows on Jupiter
You can watch the shadows of Jupiter's four largest Moons pass across the face of the planet. READ MORE »

	Saturn's Rings: Take One Last Look
In August, the rings will disappear for a while. READ MORE »

	How Moon Phases Work
Moon phases are not caused by the shadow of the Earth falling on the moon. READ MORE »

	Enjoy the Beauty of a Thin Crescent Moon
For sheer beauty, nothing can beat a razor-thin crescent moon hanging over the western horizon. READ MORE »

	Find the Big Dipper in the Big Bear
The Big Dipper formed a bear to American Indians and to cultures of the Old World and Siberia. READ MORE »

	Find the Little Dipper ... If You Can
The seven stars from which we derive the Little Bear, or Ursa Minor in the night sky are also known as the Little Dipper. READ MORE »

	Full Moon Names for 2009
Full moon names date back to Native Americans, of what is now the northern and eastern United States. READ MORE »

	Solar Eclipse Wows Airborne Skywatchers Over Arctic Circle
The Aug. 1, 2008 total solar eclipse as seen from a unique vantage. READ MORE »