The Seven Sisters Eclipse occurs when the moon in its waning crescent phase moves across the Pleiades and blocks the stars ...

A massive, spacetime-warping cluster of galaxies is the setting of today's NASA/ESA Hubble Space Telescope image. The galaxy ...

Hubble’s crystal-clear look at NGC 1786—an ancient globular cluster tucked inside the Large Magellanic Cloud—pulls us 160,000 ...

NGC 1786’s mixed-age stars suggest globular clusters aren’t one-generation wonders, offering fresh clues to galaxy formation far beyond the Milky Way.