Lead image: This artist’s conception depicts how the formation of the universe’s first stars may have appeared. Dense clouds ...

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 ...

Astronomers have recently uncovered an extraordinary star, SDSS J0715-7334, which may be the most “pristine” object ever discovered. Located in the halo of the Large Magellanic Cloud, this star offers ...

A global team led by UMass Amherst identified dusty, star-forming galaxies nearly 13 billion years old, bridging gaps between early ultrabright and quiescent galaxies in the universe.