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47 million galaxies: A sunning new view of our universe
Monday, April 20, 2026 by Russ Scritchfield
An international team has unveiled a sweeping three dimensional map of the cosmos that brings the distribution of galaxies into sharp relief across much of observable space. Built from the Dark Energy Spectroscopic Instrument, the map charts where galaxies are located and how their positions change ...
Gemini North telescope reveals Betelgeuse companion
Saturday, July 26, 2025 by Richard Harris
Astronomers have discovered a companion star in an incredibly tight orbit around Betelgeuse using the NASA and U.S. National Science Foundation-funded ‘Alopeke instrument on Gemini North, one half of the International Gemini Observatory, partly funded by the NSF and operated by NSF NOIRLab. Th...
How gravity behaves at cosmic scales explained by DESI
Wednesday, December 11, 2024 by Richard Harris
New results from the Dark Energy Spectroscopic Instrument (DESI) reveal how galaxies cluster throughout cosmic history, aligning with Einstein’s general theory of relativity. Researchers have utilized the Dark Energy Spectroscopic Instrument (DESI) to map nearly six million galaxies across ...
Kitt Peak National Observatory Media Day
Friday, September 13, 2024 by Russ Scritchfield
The Visitor Center at the U.S. National Science Foundation Kitt Peak National Observatory is celebrating its 60th anniversary! To help bring news of this momentous occasion to the public, we invite the media to take part in a Media Day at Kitt Peak on Friday, September 27th from 10 a.m. to 10 p.m. ...