Astronomers have identified one of the most distant candidate galaxies known to leak ionizing radiation—the same kind of ...

Astronomers actually managed to make a breakthrough both in terms of the science of cosmology and in the way the resources of ...

Astronomers have spotted oldest known ever discovered quasars through the Euclid space telescope that defy current theories ...

A faraway galaxy has been caught blowing away the cosmic fog of hydrogen that filled the universe once upon a time.

Recent observations from the James Webb Space Telescope (JWST) are overturning our certainties about the timeline of the Universe. The reionization period, previously thought to have ended around one ...

First, there was the Big Bang, and then there was light. Roughly 400,000 years after our universe formed, the hot environment from the Big Bang finally began to cool. Before this moment, the universe ...

For hundreds of a millions of years, the universe existed in the dark ages—an epoch when only primordial gasses existed. Then, a period of reionization, cleared away this foggy existence an introduced ...

The epoch when the very first stars appeared is a key period of cosmic history. These stars began the manufacture of the chemical elements (those heavier than hydrogen and helium) and their light ...

New analysis of data taken by the European Space Agency’s (ESA) Planck spacecraft of the cosmic microwave background (CMB) has revealed that the “epoch of reionization” occurred much later than ...