Astronomers have used the youngest objects in the Milky Way to build a new map of the galaxy's spiral arms, and the results are far messier than expected.

New paper links formation of Earth’s continents to solar system’s passage through dense interstellar clouds within our Milky Way’s four spiral arms.

Stargazers may catch a cosmic light show this Fourth of July weekend when the Milky Way appears in the night sky across the ...

This artist's concept illustrates the new view of the Milky Way. The galaxy's two major arms (Scutum-Centaurus and Perseus) can be seen attached to the ends of a thick central bar, while the two ...

An international team led by the University of Geneva (UNIGE) has discovered the most distant known spiral galaxy to date. This ultra-massive system, shaped like a flattened disk, existed just one ...

In 2008, the Milky Way lost two of its four major spiral arms, according to some analyses. But the galaxy may be getting them back. Radio telescope data from the 1950s first suggested that the ...

The Milky Way's core will be visible this month and through August. Here's what Tennessee stargazers should know.

Alternative to fireworks? Stargazers could instead catch a cosmic light show this Fourth of July weekend when the Milky Way ...

The mystery object, located just a short 15,000 light-years from Earth in our Milky Way galaxy, was spotted emitting unusual pulses.