It's a new window into the first star explosions.

Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the elements—and how massive supernovae reshaped the cosmos ...

A new study suggests that "little red dots" spied by the James Webb telescope could be the universe's short-lived first ...

The first generation of stars that were born in the universe are a mystery. We can estimate when they existed and even how big they might have gotten, but direct evidence has been lacking. Now, JWST ...

A new study has estimated the universe’s possible age by using precise data on stars.

An international team of astronomers has discovered one of the most primitive stars in terms of chemical composition — a second-generation object formed immediately after the first stars of the ...

Observations show that giant star WOH G64 rapidly changed temperature and identity, revealing massive stars evolving in real ...

The catastrophic collision of a black hole and a neutron star sent ripples across the universe. New analysis of those ripples could upend a major theory about how these extreme pairs form.

One of the largest known stars in the universe underwent a dramatic transformation in 2014, new research shows, and may be preparing to explode. A study led by Gonzalo Muñoz-Sanchez at the National ...