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

If it is a galaxy, it would be the oldest known galaxy in the cosmos, but it could also be a brown dwarf or an early black hole.

Scientists using the James Webb Space Telescope (JWST) have discovered the oldest known black hole in the universe. Nestled within a glowing red galaxy, it dates back 13 billion years and provides a ...

Astronomers have discovered the oldest and most distant black hole — a behemoth that likely formed at the dawn of the universe, more than 13 billion years ago. The black hole lies at the center of a ...

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

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