The discovery of Zhúlóng, an ultramassive spiral galaxy observed as it appeared just 12.8 billion years ago, challenges ...

A recent study published in The Astrophysical Journal Letters explores how binary star systems—two stars born together ...

We named this galaxy Zhúlóng, meaning ‘Torch Dragon’ in Chinese mythology.

"No existing galaxy formation model within our standard cosmological paradigm can currently explain how this galaxy came to be." ...

In a serendipitous cosmic discovery, astronomers have found a colossal galaxy that looks just like our own Milky Way – except it formed more than 13 billion years ago, barely a billion years ...

They were formed as a result of a single ancient collision FCC 224 probably also has a twin galaxy. One candidate is the neighboring galaxy FCC 240, which is likely to have the same size, shape, and ...

If we could see our own galaxy in its entirety, as we see NGC 6744, a twin galaxy 30 million light years away, measuring the Milky Way’s mass would be easy. But we see it from our place in one ...