The two spiral arms winding towards the bright centre might deceive you into thinking you are looking at a galaxy a bit like our Milky Way. But the object starring in this image is of a different ...

On Sunday November 23, 1924, 100 years ago this month, readers perusing page six of the New York Times would have found an intriguing article, amid several large adverts for fur coats. The headline ...

The Andromeda galaxy helped Edwin Hubble settle a great debate in astronomy. Stocktrek Images via Getty Images A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known ...

Our understanding of the true nature of the cosmos relies on measurements of its expansion, but cosmologists have been ...

Hubble’s newest view of the spiral galaxy NGC 2835 adds a stunning twist to a familiar sight. By capturing light in a special wavelength called H-alpha, astronomers have revealed glowing pink nebulae ...

Andromeda (M31), the nearest major galaxy to the Milky Way, is slated to collide with our galaxy in several billion years, a process expected to be gradual rather than abrupt. Historical observations ...

Many scientific terms are very specific, but the term nebula is, well, nebulous. In a very generic sense, it simply means a fuzzy thing. But there are a wide variety of astronomical objects that can ...