Astronomers used James Webb Space Telescope data to determine the density of the universe's most mysterious "stuff." ...

This idea is called the big bang model—which is an unfortunate name because it brings to mind a cosmos expanding like an ...

"JADES-ID1 is giving us new evidence that the universe was in a huge hurry to grow up." ...

A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...

For many years, scientists have tried to understand how the Milky Way is positioned in space, and how it moves together with ...

Dark matter doesn't absorb or give off light so scientists can't study it directly. But they can observe how its gravity warps and bends the star stuff around it.

What: New analyses using early observations from the European Space Agency’s Euclid mission examine how galaxy mergers trigger active galactic nuclei (AGN), luminou ...

"There is a growing chasm between theory and observation related to the early universe, which presents compelling questions ...

The James Webb Space Telescope has detected the most distant galaxy ever observed, MoM-z14, offering new insight into star formation and galaxy growth in the early universe ...

NASA confirms galaxy MoM-z14 observed by the James Webb Space Telescope formed 280 million years after the Big Bang using ...

Breaking space news, the latest updates on rocket launches, skywatching events and more! You are now subscribed Your newsletter sign-up was successful Want to add more newsletters? Breaking space news ...

Using the James Webb Space Telescope (JWST), astronomers have discovered a new dwarf galaxy, which received designation ...