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.

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 ...

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

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 ...