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.

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 ...

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 ...

This image of the Sculptor galaxy will give astronomers detailed information on a variety of stars, nebulae and galactic regions. European Southern Observatory If you happen to find yourself in the ...

New studies suggest that the first stars formed after the Big Bang may not have been as uniformly massive as previously believed.

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

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

Astronomers have discovered the raw ingredients of planets orbiting two infant stars, offering a glimpse into how new worlds ...

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 ...