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 ...

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

Shapely decided to map the distribution of globular clusters ... astronomer R.J. Trumpler realized that the estimates of the ...

If our 13.8 billion-year-old cosmos could be considered middle-aged, researchers note these new images captured around its ...

Euclid has two instruments: its visible light camera, VIS, and its near-infrared light camera, NISP. NISP allows Euclid to ...

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

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

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

Learn how ALMA gives astrophysics a front row seat to dynamic forces that shape the galaxy, called space tornadoes.