The ancient and rare star PicII-503 is helping astronomers understand how carbon became so abundant in the universe.

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

Astronomers have discovered the first clear example of a star made entirely of materials from one of the very first stars.

Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the ...

Discovered in the Pictor II dwarf galaxy, star PicII-503 has an extreme deficiency in iron—less than 1/40,000th of the sun.

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

It’s “common knowledge”—and the scare quotes should be a warning—that the sun is an average star. The lower limit is around 7 to 8 percent of the sun’s mass; any less than that, and there isn’t enough ...

The Hubble Space Telescope celebrates 36 years of incredible discoveries, stunning imagery, and a lasting impact on astronomy.

Galaxy Y1 shines thanks to dust grains heated by newly-formed stars (circled in this image from the James Webb telescope). Astronomers have uncovered a previously unknown, extreme kind of star factory ...

An ancient star is providing astronomers a window into the infancy of the universe. The second-generation star is still in ...