How can a galaxy display perfectly defined spiral arms when the Universe had only a little over 10% of its current age? This ...

A mysterious excess of far-ultraviolet light seen across the Milky Way could come from the annihilation of clumpy dark matter ...

The Milky Way is glowing in ways it should not, and the usual suspects like stars, dust and black holes cannot fully account ...

New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may ...

Researchers have discovered a large, orderly spiral galaxy that formed soon after the Big Bang, when space was only about 1.5 ...

New James Webb Space Telescope observations have revealed a galaxy that shouldn’t exist, a complex spiral galaxy named ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier than astronomers believed such well-structured galaxies could form. With ...

Indian astronomers have discovered a cluster of quasars that spout jets of matter that extend out for 7.2 million light-years — many times bigger than our own galaxy. The mind-bending study was ...

The night sky often feels calm, yet the early universe tells a very different story. A newly studied ancient galaxy, seen as it was more than 13 billion years ago, reveals a level of star making so ...