It’s “common knowledge”—and the scare quotes should be a warning—that the sun is an average star.

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

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 ...

There are several candidates for the biggest star in the universe. One of them, VY Canis Majoris, is over 1,500 times the width of the sun. If it were placed in our solar system, it would stretch to ...

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

A new study has estimated the universe’s possible age by using precise data on stars.

Astronomers believe that there have been three generations of stars in the universe. The first, which are yet to be seen ...

Add Yahoo as a preferred source to see more of our stories on Google. Artist's rendering. Astronomers discover the universe was warmer than expected before the first stars formed. (CREDIT: N.R. Fuller ...

One of the largest known stars in the universe underwent a dramatic transformation in 2014, new research shows, and may be preparing to explode. A study led by Gonzalo Muñoz-Sanchez at the National ...

Astronomers have uncovered an ultra-rare star that could reshape our understanding of the early universe. Named PicII‑503, this 14-billion-year-old star has survived almost since the Big Bang and ...

Even before the first stars lit up the Universe, the Cosmos was not the cold place most researchers once imagined. New results suggest that the so-called cosmic “dark ages,” the muted era between the ...