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

Scientists working with the James Webb Space Telescope discovered three unusual astronomical objects in early 2025, which may ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

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

"Precision in these measurements is critical, as even subtle discrepancies could signal deviations from the model — ...

Space is packed with all sorts of weird and unexpected stuff, but this humongous, spinning string-thing raises a whole new ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

A spiral galaxy, shaped much like our Milky Way, has been found in an era when astronomers believed such well-formed galaxies ...

A pair of quasars that existed when the universe was only 3 billion years old has been spotted by the Hubble Space Telescope.

A baby galaxy is throwing one heck of a tantrum, and it's shaking up our understanding of the earliest galaxies.