Using data from the James Webb Space Telescope, astronomers have discovered dormant galaxies with a wide range of masses in ...

The discovery of dormant galaxies, located in the first billion years after the Big Bang, is shaking up our understanding of ...

Small, compact galaxies seen in the early universe have puzzled astronomers – finding these unusual objects closer to home ...

How old is the universe? Learn more about the age of the Universe, from it's explosive beginnings to how we on Earth can ...

Other telescopes also are peering into the early universe. The new James Webb Space Telescope (JWST) has now imaged a galaxy that existed about 325 million years after the birth of the universe in ...

It is a simulation of the early universe, a time after the Big Bang when the cosmos transformed from a place of utter darkness to a radiant, light-filled environment. The stunning video is part of a ...

Physicists have also gotten clues about the early universe from experiments that examine massive particles produced in particle accelerators. They have found that certain types of particles decay—or ...

New computer simulations reveal how the early universe would have appeared 500 million years after the theoretical Big Bang. According to the standard Big Bang model, the universe was born about ...

In the early universe it was the other way around — charged hydrogen and neutral helium — but the end result was the same: HeH+, the first molecule to form after the big bang.

The atomic composition of stars in the early universe determined how long it took to heat the intergalactic medium once stars began to form. Key to this is the high-energy radiation, primarily X ...