For all journals on Springer Nature Link and Nature, there is a 'Sign up for alerts' option on the journal's homepage and corresponding Volumes and Issues page.
Springer Nature Link:
Nature:
For most of our BMC and Springer Open journals, the e-alerts sign-up option is located on the journal's homepage. If navigating from Springer Nature Link, such as from an article page, first click on the journal's title. Once you have landed on the journal's homepage, scroll down and click the link on the right side of the screen that references 'Sign-up for article alerts and news from this journal':
A sign-up page for the e-alerts then appears. Complete the requested details so you can receive e-alerts when they are sent by the journal.