Most of the universe is slipping away from the Milky Way, carried outward as space itself expands. Yet one giant neighbor is bucking the trend, racing straight at us while almost every other major ...

Astronomers studying the Milky Way's oldest stars have estimated that the Universe is about 13.6 billion years old.

The Milky Way won’t last forever. Astronomers say it’s on a collision course with the Andromeda Galaxy, a slow-motion crash that will erase our galaxy’s identity. The universe already knows how it ...

Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the elements—and how massive supernovae reshaped the cosmos ...

Super galaxy clusters are among the largest structures in the universe. Now, a particularly large one has been measured, ...

WASHINGTON (Reuters) -Astronomers have observed a galaxy dating to an earlier epoch in the universe's history that surprisingly is shaped much like our Milky Way - a spiral structure with a straight ...

Add Yahoo as a preferred source to see more of our stories on Google. The mystery of galaxies in the early Universe just got even weirder. A team of astronomers has identified a giant spiral galaxy so ...

A groundbreaking study in galactic archaeology proves the Sun made a treacherous journey to reach its current home in the ...

Astronomers from UCT have uncovered the true scale of one of the largest hidden structures in the nearby Universe.

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his ...

Astronomers produced the most complete map of the center of the Milky Way, which can provide insight into how stars and planets are formed.