The universe's first galaxies were hot messes, according to a recent study. During their younger days, they were wild, ...

A team of astrophysicists has unveiled how colossal stars thousands of times more massive than the Sun shaped the earliest ...

A handful of extremely massive stars, each heavier than 1,000 Suns, may have sculpted the chemistry of the oldest star ...

An international team led by ICREA researcher Mark Gieles, from the Institute of Cosmos Sciences of the University of ...

Long ago, before galaxies formed into shapes we are familiar with today and before planets formed, the earliest stars ignited the young cosmic clouds. If you stood inside one of those ancient ...

A peculiar object discovered by the James Webb Space Telescope just 700 million years after the Big Bang could reveal the ...

Observations by the James Webb Space Telescope hint at an excess of "UB-bright" galaxies in the first 400 million years after ...

JWST observations show that early galaxies were chaotic, gas-filled systems rather than stable disks. Researchers from ...

B, seen around 800 million years after the universe was formed, is the first we have seen consistent with being composed of ...

A new model sheds light on the long-standing chemical mysteries found in globular clusters, the ancient archives of the universe. An international collaboration led by ICREA researcher Mark Gieles, fr ...

Tel Aviv scientists predict ancient radio signals from the early Universe that could reveal how dark matter shaped stars and ...

A remarkable new study challenges the findings of Nobel Prize winning research into how our universe has changed over time.