Thus, ADS stands for “Aitken double star.” His catalog contains measurements of 17,180 double stars north of declination –30°. Cluster in a rich field This week’s second small-scope ...

Astronomers using the Hubble Space Telescope (HST) have studied one of the largest young star clusters in our galaxy, ...

A bouquet of thousands of stars in bloom has arrived. This composite image contains the deepest X-ray image ever made of the ...

Caldwell 71, or NGC 2477, is an open star cluster. Open clusters are loosely bound collections of stars. It is located roughly 4,000 light-years from Earth in the constellation Puppis.

A glorious, colorful image captured by a telescope in Chile shows the bright glow of star cluster RCW 38, where young stars are being born.

This is an 80-million-pixel picture of the star cluster RCW 38, located 5500 light-years away in the constellation Vela.RCW 38 is a young cluster containing about 2000 stars, and is bursting with ...

The European Southern Observatory (ESO) has released a stunning 80 million-pixel image of the star cluster RCW 38, as ...