The first generation of stars transformed the universe. Inside their cores, simple hydrogen and helium fused into a rainbow of elements. When these stars died, they exploded and sent these new ...

Besides being a point of light, a star is a luminous, spherical mass of plasma, enough to hold itself together under its own gravity. On its own, though, gravitational rounding isn't enough. What ...

Stars form in the universe from massive clouds of gas. European Southern Observatory, CC BY-SA For decades, astronomers have wondered what the very first stars in the universe were like. These stars ...

Researchers at the Argonne National Laboratory studied a nuclear reaction and measured conditions that can explain how heavy elements are formed inside stars. Stars are mainly composed of light ...

Researchers have found that stars in the early universe may have formed from 'fluffy' molecular clouds. Using the ALMA telescope to observe the Small Magellanic Cloud -- whose environment is similar ...

For decades, astronomers have wondered what the very first stars in the universe were like. These stars formed new chemical elements, which enriched the universe and allowed the next generations of ...