Light takes time to travel through space. Because of this, the light we see from distant objects in the night sky represents ...

A group of about 1,000 stars known as the beehive cluster is swarming a sky near you. Here's when and how to see them.

A small group of young researchers at the Cosmic Dawn Center, Niels Bohr Institute, University of Copenhagen, have, through ...

Most astronomers agree that young galaxy clusters should be relatively cool compared to older ones. But researchers recently ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about ...

Scientists have detected a surprisingly hot galaxy cluster dating back to the universe’s infancy. The cluster formed far ...

Galaxy clusters are formed by a dense packing of many galaxies, making them the most massive structures in the universe.

The “Seven Sisters” of the Pleiades are part of a much larger complex that can help reveal our galaxy’s deep history ...

Astronomers found a young galaxy cluster with unexpectedly hot gas, suggesting cosmic structures formed faster than once ...

An international team of astronomers led by Canadian researchers has found something the universe wasn't supposed to have: a ...

The celestial object described is an open cluster, NGC 7789, possessing an apparent magnitude of 6.7 and located between 5th-magnitude Sigma Cassiopeiae and 6th-magnitude Rho Cas, known by several ...

Raise a toast to another orbit around the sun with a new NASA image of sparkling galaxy clusters fittingly dubbed the ...