Sahih al-Bukhari 1057
صحيح البخاري#1057SahihNarrated Abu Mas`ud:Allah's Messenger (ﷺ) said, "The sun and the moon do not eclipse because of someone's death or life but they are two signs amongst the signs of Allah, so pray whenever you see them
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: 16:16