The earliest stars and galaxies were embedded in a Universe filled with hydrogen atoms, which can be ionized if they absorb light at specific wavelengths in the UV range.

Astronomers have turned the Atacama Large Millimeter/submillimeter Array (ALMA) into a time machine to peer back in cosmic ...

The discovery of dormant galaxies, located in the first billion years after the Big Bang, is shaking up our understanding of galaxy evolution. This remarkable finding comes from the cutting-edge ...

New Hubble telescope images provide a look at the cosmos when it was just 600 to 800 million years old. Galaxies from this period might have helped transform the universe from dark to light.

One of the goals of the Webb Space Telescope was imaging the earliest galaxies, giving us a new window into how our Universe evolved between the dense, hot material from the Big Bang and its star ...

Using data from the James Webb Space Telescope, astronomers have discovered dormant galaxies with a wide range of masses in the first billion years after the Big Bang, moving one step closer to ...

Small, compact galaxies seen in the early universe have puzzled astronomers – finding these unusual objects closer to home ...

Researchers aim to study the universe’s 'Dark Ages' using a quiet orbit around the Moon. Their small satellite will search ...

WASHINGTON, Oct 6 (Reuters) - Since beginning operations last year, the James Webb Space Telescope, opens new tab has provided an astonishing glimpse of the early history of our universe, spotting ...

Astronomers analyzing data from the James Webb Space Telescope (JWST) have uncovered a population of tiny, energetic galaxies that may have been key players in clearing the cosmic fog that shrouded ...

Using the James Webb Space Telescope, University of Copenhagen researchers have become the first to see the formation of three of the earliest galaxies in the universe, more than 13 billion years ago.