The oldest stars in the Milky Way are forcing a fresh look at one of cosmology’s biggest arguments. If some of them are about ...

A rare star reveals how the Universe's first stars exploded, helping explain the Milky Way’s outer halo and its unusual chemistry.

It's a new window into the first star explosions.

In recent groundbreaking research published in Monthly Notices of the Royal Astronomical Society, scientists from the University of Queensland have provided insights into the likely fate of our galaxy ...

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 ...

"Cosmic archaeologists" have discovered an iron-deficient second-generation star, which provides evidence of how ancient ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers in Italy and Germany have turned to some of the oldest stars in the Milky Way to estimate the true age of the Universe ...

For decades, astronomers wondered why most nearby galaxies are speeding away from the Milky Way instead of being pulled in by its gravity. New simulations reveal the answer: our galaxy sits in a ...

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

It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral galaxies colliding is ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our noses all this time. Models of how the universe has evolved since the Big ...

Surveying nearby galaxies in the process of merging with other galaxies, astronomers have identified massive, dense star factories, unlike any found in the Milky Way. The findings provide a rare ...