NASA / GSFC / Arizona State Univ.
Bulletin at a Glance
A Half-Gigabyte View of the Moon
February 25, 2011 | This week NASA scientists unveiled a view of the lunar nearside that measures an astounding 24,000 by 24,000 pixels. > read more
NASA’s First Robot Astronaut
February 23, 2011 | Imagine an astronaut that can work tirelessly 24 hours a day, seven days a week — without needing food, drink, or oxygen. > read more
Galaxy Sparkles in New Hubble Image
February 21, 2011 | The Hubble Space Telescope captures a spiral galaxy in remarkable detail. > read more
Sky & Telescope April 2011
February 12, 2011 | Sky & Telescope‘s April 2011 issue is now available to digital subscribers. > read more
See Venus in Broad Daylight!
February 25, 2011 | Monday and Tuesday, February 28th and March 1st, offer excellent opportunities to spot Venus during broad daylight with your unaided eyes. > read more
Tour March’s Sky by Eye and Ear!
February 24, 2011 | This will be a month of transition, celestially speaking: spring and daylight-saving time arrive for northern skywatchers, Jupiter makes an exit, and Saturn is waiting in the wings. > read more
Saturn’s New Bright Storm
December 27, 2010 | A massive new storm in the ringed planet’s northern hemisphere is bright enough to see in small telescopes. > read more
Sky & Telescope diagram
This Week’s Sky at a Glance
February 18, 2011 | Sirius shines highest after dusk, four constellation carnivores are marching in parallel, and the Moon passes Venus at dawn. > read more
GLOBE at Night
How Many Stars Can You See?
February 23, 2011 | Join the sixth worldwide GLOBE at Night 2011 star-counting campaign (February 21st to March 6th), and do your part to fight light pollution! > read more