Shapley used the period-luminosity relationship to estimate distances to other Cepheids across the Milky Way. This is how Shapley reached his estimate for our galaxy's size. But, in order for ...

A story of survival is unfolding at the outer reaches of our galaxy, and NASA's Hubble Space Telescope is witnessing the saga. The Large Magellanic Cloud, also called the LMC, is one of the Milky ...

According to the study, this structure of gas surrounding the dwarf galaxy is only a tenth of the size of comparable galaxies. Most of it has apparently been pushed away by our Milky Way ...

Firefly Sparkle is a lightweight among the universe's galaxy contenders seen by NASA's James Webb Space Telescope, but the discovery is no less important than more massive galaxies because of what it ...

What is our galaxy, the Milky Way, made of? Well, that is a really good question. I suppose the obvious answer, and it's right in part, is stars - some smaller than the sun and some bigger than ...

This illustration shows a stage in the predicted merger between our Milky Way galaxy and the ... [+] neighboring Andromeda galaxy, as it will unfold over the next several billion years.