According to the new DESI numbers, dark energy may be changing over time—either causing the universe’s expansion to ...

For Marcela Carena, her life’s work started as a little girl on the Pampas of Argentina, looking up at the Milky Way.. Her ...

The Dark Energy Spectroscopic Instrument (DESI) is mapping millions of celestial objects to better understand dark energy—the ...

University of Arizona researchers are among a group of scientists who hope to discover what happened immediately after the Big Bang, when the universe expanded in a fraction of a ...

The 3D cosmic map building DESI has provided more clues that dark energy is weakening over time, suggesting our best model of ...

The latest Dark Energy Spectroscopic Instrument results fall short of the discovery threshold but strengthen evidence for dynamical dark energy.

Last year, an enormous map of the cosmos hinted that the engine driving cosmic expansion might be sputtering. Now physicists ...

Deep observations from the James Webb Space Telescope (JWST) have revealed an exceptionally large galaxy in the early ...

Astronomers have made a surprising discovery that challenges current theories of galaxy formation. A colossal disk-shaped galaxy, nicknamed the "Big Wheel," has been found just two billion years after ...

For decades, the ΛCDM (Lambda Cold Dark Matter) cosmological model has been the cornerstone of our understanding of the ...

The most popular astronomy-related ESA expense are telescopes, according to the Arizona Department of Education. Since July , the department has approved more than one thousand telescopes and nearly ...