"SPT2349-56 is a system so extraordinary that we may have caught one of the most massive clusters under formation at a very ...

JADES-GS-z14-0 is the most distant known galaxy, dating to less than 300 million years after the Big Bang. Scientists were surprised to find oxygen there. ALMA (ESO / NAOJ / NRAO) / S. Carniani et al.

Galaxies like the Milky Way boast more than spirals; they also have feathers, where clumps of new stars are born. Astronomers have been stumped by how these complex structures form, but now a ...

Scientists discover ancient galaxy created early transparent bubbles, challenging cosmic timeline of universe formation.