Globular clusters are ancient, spherical groups of stars that are often as old as the galaxies they orbit. The stars in a globular cluster orbit the center of mass of the cluster, and the angular ...

The NASA/ESA Hubble Space Telescope has identified thousands of more than 5 billion years old globular clusters in the Virgo cluster of galaxies. One of the results of these discoveries led ...

Learn more about a new algorithm that helped reveal 87 stellar streams and what it could reveal about dark matter.

Using data from the Magellan Clay telescope and the Canada-France-Hawaii Telescope (CFHT), astronomers have investigated a ...

A glittering multitude of stars in the globular cluster Terzan 4 fills this image from the NASA/ESA Hubble Space Telescope. Globular clusters are collections of stars bound together by their mutual ...

The globular cluster Terzan 2 in the constellation Scorpio is featured in this observation from the NASA/ESA Hubble Space Telescope. Globular clusters are stable, tightly gravitationally bound ...

A survey completed using a combination of ground and space-based telescopes yielded a treasure trove of previously unknown globular clusters – old, dense groups of thousands of stars that all formed ...

It seems like the only things I have seen in the evening sky recently have been clouds. Although the garden plants are happy with the rain, my dogs are unhappy about the thunder. Whenever the sky does ...

Using the Karl G. Jansky Very Large Array (VLA), astronomers have discovered a millisecond pulsar in the globular cluster GLIMPSE-C01 as part of the VLA Low-band Ionosphere and Transient Experiment ...

Hubble recently captured a dazzling image of the heart of globular cluster Terzan 9, a bright ball of stars 23,000 light years away. Globular clusters are tightly packed groups of tens of thousands — ...

This week’s image from the Hubble Space Telescope shows a sparkling collection of thousands of stars. One formation commonly seen within galaxies is called a globular cluster, in which thousands of ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. An international team of astronomers have created the most ...