Using the Hubble Space Telescope (HST), astronomers have observed a supermassive galactic open cluster designated Westerlund ...

From supermoons to an eclipse and star parties at national parks, these captivating celestial phenomena will get Americans ...

This ancient stellar jewelry box, a globular cluster called NGC 6397, glitters with the light from hundreds of thousands of stars. Star Cluster Pismis 24: It is a star cluster in the middle of the ...

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

NGC 1850 is a double cluster and a super star cluster in the Dorado constellation, located in the northwest part of the bar of the Large Magellanic Cloud. Open clusters contain between a few dozen and ...

Best observed in the month of January, especially with a telescope. The Orion Trapezium Cluster is a tight open star cluster located at the heart of the Orion Nebula, playing a key role in its ...

Step outside and let the velvety night sky embrace you and your loved ones. Bask in the soft glow of Venus, the planet of ...

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.

New findings explain the Phoenix cluster's mysterious starburst. Data confirm the cluster is actively cooling and able to generate a huge amount of stellar fuel on its own.