Hundreds of Distant Galaxy Clusters Discovered
Distant clusters of galaxies. Image credit: NASA/JPL-Caltech. Click to enlarge NASA's Spitzer Space Telescope has turned up 300 galaxy clusters…
Gravitational Lenses Look at Infant Galaxies
The massive cluster Abell 2218. Image credit: JHU/STScI. Click to enlarge When regular telescopes aren't powerful enough, astronomers turn to…
Jupiter’s Red Spots Are Nearing Each Other
Jupiter's two red spots. Image credit: Christopher Go. Click to enlarge Jupiter's well known Great Red Spot storm, and its…
Miniature Solar Systems Possible
An artist's impression of a miniature solar system circling a planemos. Image credit: Jon Lomberg. Click to enlarge Instead of…
Spitzer View of Andromeda
The Andromeda galaxy. Image credit: NASA. Click to enlarge NASA's Spitzer space telescope has taken a new mosaic image of…
Book Review: Pocket Space Guides
Large meals satiate big appetites; small ones quickly fill those with less ravenous hunger. Apogee Books is continuing publishing selections…
What’s Up – 365 Days of Skywatching… the Blog
Tammy Plotner's What's Up articles and book have been so successful, I've decided to spin the column off as a…
Two Stellar Futures
New images from the Gemini telescope show two paths stars can take as they near the end of their lives.…
Astrophoto: M13 by Cord Scholz
M13 by Cord Scholz In 1938, television was still an experimental curiosity but three out of four homes owned a…
What’s Up This Week – June 5 – June 11, 2006
Jupiter. Image credit: Wes Higgins. Click to enlarge. Greetings, fellow SkyWatchers! This week is all about Jupiter. While these sky…