ALMA researchers reported the discovery of oxygen in the most distant known galaxy. Geologists believe unusual structures in ...

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

The standard model of how the universe works involves the widely accepted theory that dark energy is a fundamental constant ...

New insights from the Atacama Cosmology Telescope offer unprecedented images of the universe at 380,000 years old, revealing ...

Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

An accidental discovery by a team of astronomers has upended existing theories about how galaxies formed in the early ...

University of Arizona researchers are among a group of scientists who hope to discover what happened immediately after the ...

DESI's first dataset maps 18.7 million celestial objects, aiding dark energy, galaxy, and universe expansion studies.

Astrophysics Professor Neta Bahcall discusses her research on dark matter and its effects on the expansion of the universe.

Ancient Greek theories on the Milky Way galaxy ranged from mythology to science, with ideas from Democritus, Aristotle and ...

Elusive black hole radiation predicted by Stephen Hawking may have influenced the way the universe took shape after the Big ...