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

The Hubble Space Telescope has glimpsed the most distant single star it's ever observed, glimmering 28 billion light-years away. And the star could be between 50 to 500 times more massive than our sun ...

NASA's James Webb Space Telescope confirmed Earendel, the most distant star, shining just one billion years after the Big Bang. Gravitational lensing ...

Today, in the space world, we’re diving into one of the biggest challenges in modern astronomy: the search for the very first stars formed after the Big Bang. What once seemed nearly out of reach ...

A new space telescope will help scientists look back in time at the origin of our universe and the galaxies and planetary systems that have populated it ever since. The mission will further our ...

Japanese scientists simulated faint 21-centimeter radio waves from the Universe’s “Dark Ages,” offering a potential way to ...

Astronomers say NASA’s James Webb Space Telescope may have spotted the universe’s first “dark stars,” primordial bodies of ...

The early universe was already warm before reionization, revealing that the first stars did not flicker on in an icy cosmos.

Our understanding of the universe begins with the Big Bang, a moment in time where the universe began expanding into what we see around us now. Big Bang nucleosynthesis describes how only the lightest ...

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

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...