At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.

Interstellar objects like 3I/ATLAS that have been captured in planet-forming disks around young stars could become the seeds ...

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 ...

The universe’s first molecule just surprised us again. In a discovery that could rewrite our understanding of how the first stars formed, researchers at the Max Planck Institute for Nuclear Physics ...

Scientists led by Tel Aviv University’s Tomer Shenar, with Hugues Sana of KU Leuven and Julia Bodensteiner of the University ...

Webb telescope captures a young giant star firing off an 8-light-year gas jet, and revealing how massive stars form.

Scientists are using modern technology to peer heavenward. This is an Inside Science story. Since ancient times, people gazing up at the night sky have seen animals, gods and goddesses, and other ...

Pictures are the key to new insights in the field of astrophysics. Such images include simulations of cosmic events, which astrophysicists at UZH use to investigate how stars, planets and galaxies ...

Astronomers first thought these red dots were ancient galaxies. They appeared unusually mature for their early universe age.

A mysterious region near the center of the Milky Way has captured the attention of astronomers. Known as Sagittarius C, this strange place holds thousands of newborn stars, huge clouds of gas, and ...

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 ...