Hi there, is the mouse brain connectivity atlas not currently working (Nov 10 2025)? My students, who need this for their assignment, alerted me and when I tried to go to https://connectivity.brain-map.org off any web browser (safari, firefox, chrome) on my Mac I just get an error message: “There w…

Hi @markw , the connectivity atlas is back up! Thank you for your patience.

Hi, the gene expression mouse brain atlas is not responding. Here is the error message, thank you [image]

Mouse brain connectivity atlas down?

rachel.hostetler November 10, 2025, 8:42pm 2

Thank you for bringing this to our attention, we will post an update when the site is back up.

Topic		Replies	Views
Mouse connectivity atlas down? Technical atlas-mouse-brain-connectivity , bug-report	2	660	December 11, 2020
Cannot access mouse connectivity atlas Technical	4	122	June 12, 2026
Connectivity.brain-map.org still down / blank page as of November 2025 Transcriptomics Explorer	2	104	November 15, 2025
Allen mouse brain connectivity atlas has been down for the last few days General atlas-reference-maps , atlas-mouse-brain-adult	5	145	November 24, 2025
Allen brain connectivity atlast not accessible Allen Mouse Brain Connectivity Atlas	1	182	November 10, 2025