Learn how scientists found the universe's missing matter hiding in a massive cosmic filament stretching 23.5 million light-years between galaxy clusters.

Webb discovered dozens of small, powerful galaxies from 800 million years ago that likely drove cosmic reionization by emitting strong ultraviolet radiation. Astronomers using data from NASA’s James W ...

Astronomers analyzing data from the James Webb Space Telescope (JWST) have uncovered a population of tiny, energetic galaxies ...

The pope spoke to students gathered as part of a monthlong astronomy and astrophysics summer school program hosted by the Vatican Observatory.

While Bianco will be present in Washington for the historic first-look event, UD is hosting a watch party in Room 101 of ...

Scientists have created digital “twins” of our Milky Way galaxy to investigate one of the biggest puzzles in the universe: ...

“This will mark the beginning of a new era in astronomy and astrophysics,” the Rubin team announced ahead of the unveiling.

Astronomers have finally tracked down missing "ordinary" matter, which they discovered hiding as gas spread out in the vast ...

For decades, scientists have been searching for something strange: a huge portion of the universe’s ordinary matter seemed to ...

The James Webb Space Telescope has revealed dozens of tiny, distant galaxies piercing the fog of the cosmic dark age in the ...

A team of astronomers have put together the largest, most detailed map of the universe ever created – and you can explore it ...

Scientists studying the distant universe have discovered a population of ancient galaxies lighting up for the first time, ...