Astronomers have recently identified a cosmic structure so vast that it challenges our understanding of the universe’s scale.

The James Webb Space Telescope may have discovered Population III stars, the universe's first generation of stars. They may ...

Space. It's really, really big. How big is it? Well, according to astronomers, the observable universe is around 92 billion light-years in diameter, but that's all we can see (hence the word ...

The discovery of a superheated star factory that forms stars 180 times faster than our own Milky Way could help solve a ...

Astronomers believe they've discovered some of the universe's earliest stars, located about 13 billion light-years from Earth ...

Astronomers may be closer than ever to solving one of cosmology’s biggest mysteries: what the universe’s very first stars ...

Stars are the original nuclear fusion reactors. As it evolves, a star continuously fuses hydrogen, helium, and—if it becomes big enough—heavier elements, releasing the energy created into space as ...

Astronomers have observed a primeval star that they believe to be the most “pristine” object in the universe. A team led by Alexander Ji at the University of Chicago said the star, named SDSS ...

A black hole ate its way into the record books after devouring a star and creating a celestial outburst that burned with the ...

Researcher Matthew Graham said scientists didn't initially "believe the numbers about the energy" emitting from the cosmic ...