Cluster
The most sensitive radio image ever of a globular cluster
An ancient ball of tightly-packed stars.
Astronomers look 3.5 billion years into the past
Astronomers focused their work specifically on the old, compact clusters.
Study makes it possible to determine the earliest stages of a star’s life
When baby stars fledge.
Webb and Hubble united to create the most colorful view of the universe
The result: a vivid landscape of galaxies along with more than a dozen newly found time-varying objects.
The rate at which large cosmic structures grow is slower than predicted
It’s like a fabric loom where one-, two- and three-dimensional collapses look like a sheet.
A new image of a galaxy cluster revealing distant and dusty objects never seen before
Webb spotlights gravitational arcs in ‘El Gordo’ galaxy cluster.
Astronomers confirmed the longest-known tail of superheated gas behind a galaxy group
Galaxies go on a deep dive and leave fiery tail behind.
A galaxy with tendrils
The galaxy lies almost 600 million light-years away in the constellation Sextans.
Astronomers witness the birth of a very distant galactic cluster from the early Universe
Using the Atacama Large Millimeter/submillimeter Array (ALMA), of which ESO is a partner, astronomers have discovered a large reservoir of hot gas in the...
AI uncovered a secret equation for weighing galaxy clusters
A better way to estimate the mass of colossal clusters of galaxies.
NASA’s Webb new images of Pandora’s Cluster show a stronger, wider, better lens
The new view of Pandora’s Cluster stitches four Webb snapshots together into one panoramic image.