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Extended Orion nebula shell sampled by HI emission from the combined VLA and FAST observations (shown in red), Hα emission from the European Southern Observatory Digitized Sky Survey (shown in green), and 3.4-μm emission registered by the Wide-field Infrared Survey Explorer (WISE) satellite (shown in blue). Image credit: Juan D. Soler, University of Vienna / NRAO / VLA / NASA / WISE.

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Astronomers Uncover Hidden Structures Surrounding Orion Nebula

July 11, 2026

Using the Karl G. Jansky Very Large Array (VLA) s and the Five-hundred-meter Aperture Spherical Radio Telescope (FAST),…

A small portion of DESI’s year-five map in which the large-scale structure of the Universe, created by gravity, is visible; each dot represents a galaxy; the denser areas indicate regions where galaxies and galaxy clusters have clumped together to form the strands of the cosmic web; also seen are large voids between the filaments. Image credit: DESI Collaboration / DESI Member Institutions / DOE / KPNO / NOIRLab / NSF / AURA / R. Proctor / M. Zamani, NSF’s NOIRLab.

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Record-Breaking Map Charts Universe in 3D Like Never Before

April 17, 2026

Astronomers using the Dark Energy Spectroscopic Instrument (DESI) on NSF’s Nicholas U. Mayall 4-m telescope have produced the…

A figure illustrating the rotation of neutral hydrogen (right) in galaxies residing in an extended filament (middle), where the galaxies exhibit a coherent bulk rotational motion tracing the large-scale cosmic web (left). Image credit: Lyla Jung.

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Astronomers Discover 50-Million-Light-Year-Long Spinning Cosmic Web Filament

December 8, 2025

The newly-discovered galaxy filament spans at least 50 million light-years and resides 140 million light-years away. The galaxies…