Sci-fi tends to paint the edge of our galaxy as a desolate backwater, but in one early galaxy, the galactic rim is the bright, bustling center of activity, and the core is the aging backwater. The ...

In a feat of galactic archeology, astronomers are using ever more detailed information to trace the origin of our galaxy—and to learn about how other galaxies formed in the early stages of the ...

Sandro Tacchella does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

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An international team of astronomers, including Carnegie’s Eric Persson, has charted the rise and fall of galaxies over 90 percent of cosmic history. heir work, which includes some of the most ...

The heart of our Galaxy displays a paradox that intrigues astronomers. While this region concentrates immense quantities of gas and dust, the birth of massive stars there appears to be ...

ESA’s Gaia mission has made a major breakthrough in unraveling the formation history of the Milky Way. Instead of forming alone, our galaxy merged with another large galaxy early in its life, around ...

Scientists are turning to the beautiful and famous Whirlpool Galaxy to look for areas where stars could eventually be born. By mapping out the presence of particular chemicals, they hope to learn ...

These three galaxy images from the AEGIS survey show a range of galaxy types: a disk-like spiral galaxy (top), a cloud-like elliptical galaxy (middle), and an irregular galaxy resulting from a ...