Long ago, before galaxies formed into shapes we are familiar with today and before planets formed, the earliest stars ignited ...

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

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 ...

NASA released exciting information on Thursday regarding the discovery of "monster stars" and "spiral galaxies." Using the Hubble Space Telescope, astronomers were able to identify nine "monster stars ...

Astronomers have long puzzled over how the oldest and most mysterious star clusters in the universe—known as globular ...

Learn what a black hole is, how it forms, and how astronomers detect it. Understand the science behind black holes and their ...

The James Webb telescope has spotted three gigantic "red monster" galaxies that were spawned soon after the Big Bang. They're ...

Searching for clues in the Epoch of Reionization, scientists discovered that the universe was quite a bit warmer before the ignition of the first stars.

Even before the first stars lit up the Universe, the Cosmos was not the cold place most researchers once imagined. New results suggest that the so-called cosmic “dark ages,” the muted era between the ...

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

When the National Science Foundation announced a competition to fund institutes in astronomy and AI in the summer of 2023, physics and astronomy Prof. Vicky Kalogera brought together a team of ...