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

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

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

In the early universe, moments after the Big Bang and cosmic inflation, clusters of exotic, massive particles could have ...

Stars powered by dark matter instead of nuclear fusion could solve several mysteries of the early universe, and we may have ...

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 ...

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

These gigantic structures, which contain hundreds or even thousands of galaxies bound together by gravity, offer important ...

A team of astrophysicists has unveiled how colossal stars thousands of times more massive than the Sun shaped the earliest star clusters and galaxies. These short-lived giants not only forged the ...