Faint structures play a crucial role in cosmic development, and scientists are only just beginning to grasp their full extent ...
Four galaxies crowd the center of a collapsing structure 1.4 billion years after the Big Bang. Each one is churning out stars ...
The existence of massive, elliptical galaxies in the early universe has puzzled astronomers for two decades. An international ...
You might think galaxies can’t ever find each other in our runaway cosmos, but it turns out gravity can sometimes overcome ...
It's well established that the universe is expanding, but there's serious disagreement among scientists over how fast it's ...
What: New analyses using early observations from the European Space Agency’s Euclid mission examine how galaxy mergers ...
Discover seven unusual galaxies defying scientific predictions, from impossibly bright early universe objects to astrophysics ...
Astronomers have spotted a mysteriously mature “baby cluster” of galaxies in the early universe, scarcely a billion years ...
The young galaxy cluster existed about 12.8 billion years ago and has an estimated mass 20 trillion times that of the sun ...
Space observatories tend to work quietly, collecting data long before images reach the public. In March 2025, NASA launched ...
A flat plane of dark matter beyond the Local Group may explain why nearby galaxies move away from us instead of falling ...
Learn how dozens of galaxies may have merged into a giant galaxy shortly after the Big Bang.