"At first, I thought I completely messed up during our research," Olivia Achenbach of the United States Naval Academy told ...

Surrounded by glowing discs of swirling gas, quasars emit immense light that can be seen across vast cosmic distances.

In this special Hubble image 23 years in the making, the sparkling spiral galaxy UGC 10043 reveals the secrets of its ...

so intricately structured that it can only belong to the most spectacular category of galaxies: the grand design spiral. The galaxy's name is Zhúlóng, after the Torch Dragon of Chinese myth, and its ...

But astronomers scrutinizing this particular Hubble image found the central galaxy actually sports a swirl of spiral arms seemingly unruffled by any such merger, raising new questions about what ...