Look up at the sky on a clear night, and you’ll see thousands of stars – about 6,000 or so. But that’s only a tiny fraction of all the stars out there. The rest are too far away for us to see them.

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 ...

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 ...

Were massive stars in the early universe born in pairs? A new study from the School of Physics and Astronomy at Tel Aviv University reveals that most massive stars formed in the early universe were ...

Simulation studies indicate water formation within the first 200 million years of the universe, primarily through supernovae from the first generation of stars. Pair-instability supernovae, occurring ...

Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog matter. ESO/M. Kornmesser, CC BY-SA If you look across space with a telescope, you’ll see ...

Understanding how the universe transitioned from darkness to light with the formation of the first stars and galaxies is a key turning point in the universe’s development, known as the Cosmic Dawn.

Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog matter. ESO/M. Kornmesser, CC BY-SA Chris Impey, University of Arizona If you look across ...