Yes, pubmed.ncbi.nlm.nih.gov (and parent nih.gov) appear down right now.

  Confirm 1: https://downforeveryoneorjustme.com/pubmed.ncbi.nlm.nih.gov
  Confirm 2: https://downforeveryoneorjustme.com/nih.gov
  Confirm 3: https://downdetector.com/status/nih/

But, Pubmed was online earlier today and also yesterday:

  https://web.archive.org/web/20250301155845/https://pubmed.ncbi.nlm.nih.gov/
  https://web.archive.org/web/20250228130235/https://pubmed.ncbi.nlm.nih.gov/

I do not know why.

Yep... maybe they took it down to add a Stripe subscription link :P

Down for me.