Sahih al-Bukhari 3870
صحيح البخاري#3870SahihNarrated `Abdullah bin `Abbas:During the lifetime of Allah's Messenger (ﷺ) the moon was split (into two pieces)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 63:95