October 6, 2020.

NRAO announces its image contest winners for 2020.  LEFT: Second Prize: Magnetic Field in Galaxy NGC 5775 — HST/VLA.  RIGHT: Honorable Mention: Magnetic Field of the Galaxy NGC 4666.  For more information, see https://public.nrao.edu/news/2020-image-contest-winners

July 21, 2020.

This image shows the huge extent of a spiral galaxy’s magnetic field.   See https://public.nrao.edu/news/image-galaxy-magnetic-field/ for image and more information.

Nov. 26, 2019. The magnetic fields in the halo of NGC 4631 show magnetic fields that reverse direction in a regular fashion.  A magnetic dynamo could explain this behaviour, never before seen in a galaxy’s halo. See https://public.nrao.edu/news/giant-magnetic-ropes/ for image and more information.

May 18, 2018.