"SPT2349-56 is a system so extraordinary that we may have caught one of the most massive clusters under formation at a very brief and crucial stage." Astronomers have discovered a previously ...

“The blue speckles seen scattered across this galaxy are massive young stars, which emit hot, blue-tinged radiation as they burn through their fuel at an immense rate,” the Hubble team explains.

Known as NGC 4536, the galaxy boasts sweeping spiral arms speckled with bright blue clusters of baby stars and vibrant pink clumps of ionized hydrogen gas. It is classified as an intermediate ...