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 ...

The Great Hercules Star Cluster is one of the true treasures of the summer and early autumn Pottsville sky. It’s a dense cluster of stars all crammed together in a tight sphere that you’ll love ...

If you find yourself in a dark, un-light-polluted area anytime soon, be sure to glance around the sky with binoculars. Along the hazy band of the Milky Way and elsewhere, you’re sure to find plenty of ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A Hubble Space Telescope view of the Great Hercules Cluster. | Credit: NASA, ESA, and the Hubble ...

Sometimes we have no clue what's over our heads. On July nights it's easy to find out. As soon as the sky gets dark (around 10:30-11 p.m. local daylight time) look high up in the southeastern sky for ...

Looking for a sky event this week? Check out our full Sky This Week column. January 8: Zoom in on the Perseus Cluster If you’re up early today, try finding the famous Keystone of Hercules in the ...

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 ...

The Great Hercules Star Cluster is one of the true treasures of the summer and early autumn sky. It’s a dense cluster of stars all crammed together in a tight sphere that you’ll love directing your ...