Before the cosmos lit up with stars and galaxies, the universe passed through a dark, silent era. But new findings suggest that this silence may have been warmer than scientists once believed. Using ...

Three enormous and peculiar radio light rings were discovered far, far outside our own galaxy, shedding more light on one of ...

A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

Reionization is thought to have been driven by ultraviolet light produced by both early stars and active galactic nuclei ...

Scientists have found out a massive dark matter that is entirely invisible to the naked eye, as per the study in Nature ...

Scientists have blown stargazers’ collective minds after discovering a massive dark object in space that’s completely ...