There is little I love more than gazing at a glittering globular cluster through a big, juicy Dob. The larger the mirror, the better! Each cluster looks a little different, and resolving individual ...

M13, the Hercules Cluster, is a globular cluster of stars. Globular clusters are large, old, and spherical. They orbit the Milky Way differently than open clusters. You can see M13 with a moderately ...

Spring means it’s time to look up into our night sky and find one of the oldest objects in our galaxy: the M3 Cluster. NASA and other sky experts call this group of ancient stars “a truly distant ...

M15, a magnitude 6.2 globular cluster within the constellation Pegasus, possesses a diameter of 12.3' and is discernible to the naked eye from dark observing sites. Located by extending a line 4° from ...

A spherical shape made from the pinpricks of light from closely packed stars revealed itself to the Hubble Space Telescope when the observatory recently peered into the constellation Mensa. Hubble ...

The constellation Hercules is high in the east after dark this evening. Rich with deep-sky objects, we're passing by the Strongman's most famous (M13) for its second-brightest globular cluster: M92.

The history of how stars and galaxies came to be and evolved into the present day remains among the most challenging astrophysical questions to solve yet, but new research brings us closer to ...

"We were surprised by the streams of light that were visible near the center of the galaxies, as nothing similar has been observed in the past." Using the Hubble Space Telescope, astronomers have made ...

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Analysis of Hubble observations of the massive globular cluster NGC 2808 provides evidence that it has three generations of stars that formed early in the cluster’s life. This is a major upset for ...

Based on observations with ESO’s Very Large Telescope, a team of Italian astronomers reports [1] that the stellar cluster Messier 12 must have lost to our Milky Way galaxy close to one million ...