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

Discovered in the Pictor II dwarf galaxy, star PicII-503 has an extreme deficiency in iron—less than 1/40,000th of the sun. This signature makes it the clearest example of a star within a primordial ...

Astronomers have identified a star called PicII-503 inside the ultra-faint dwarf galaxy Pictor II, and its chemical ...

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

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

The first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University of São Paulo. A team had found a small, strange galaxy that appeared to ...

NASA missions have discovered evidence of a rare neutron star collision in a tiny, distant galaxy, potentially shedding light ...

Red dwarfs make up the vast majority of stars in the galaxy. Such ubiquity means they host the majority of rocky exoplanets we've found so far—which in turn makes them interesting for astrobiological ...

This image shows stars in the ultra-faint dwarf galaxy, Pictor II. Pictor II is a satellite galaxy of the Large Magellanic Cloud, which is a satellite galaxy of the Milky Way, and is located in the ...

The James Webb Space Telescope has snapped a remarkably detailed image of a nearby dwarf galaxy. The near-infrared view reveals the deepest glimpse yet into a stellar panorama that could offer ...

A wandering black hole in a dwarf galaxy 230 million light-years away, offset from the center and launching jets, offers clues to black hole growth beyond nuclei. (Nanowerk News) Traditionally, black ...