The first generation of stars that were born in the universe are a mystery. We can estimate when they existed and even how ...

Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such ...

If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

Stars powered by dark matter instead of nuclear fusion could solve several mysteries of the early universe, and we may have spotted the first hints that they are real ...

Supernovae aren't one of the JWST's main science themes, but the perceptive telescope is full of surprises. Recently, it ...

Astronomers studying a distant galaxy using the James Webb Space Telescope (JWST) have found the best candidates yet for the universe’s first stars. These so-called Population III stars arose shortly ...

Dark stars are not exactly stars, and they are certainly not dark.

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

Long before starlight filled the cosmos for the first time, the young universe may have been simmering, according to a new study. The findings suggest that about 800 million years after the Big Bang, ...

Before atomic elements came together, less than a second after the Big Bang, if particles condensed into halos of matter, these halos may then have collapsed, creating the first black holes, boson ...