Sahih al-Bukhari 3638
Book 61: Virtues and Merits of the Prophet (pbuh) and his Companions · Narrated by Ibn `Abbas
Arabic
حَدَّثَنِي خَلَفُ بْنُ خَالِدٍ الْقُرَشِيُّ، حَدَّثَنَا بَكْرُ بْنُ مُضَرَ، عَنْ جَعْفَرِ بْنِ رَبِيعَةَ، عَنْ عِرَاكِ بْنِ مَالِكٍ، عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ مَسْعُودٍ، عَنِ ابْنِ عَبَّاسٍ ـ رضى الله عنهما أَنَّ الْقَمَرَ، انْشَقَّ فِي زَمَانِ النَّبِيِّ صلى الله عليه وسلم
English translation
Narrated Ibn `Abbas:The moon was split into two parts during the lifetime of the Prophet
Reference: Sahih al-Bukhari 3638, Book of Virtues and Merits of the Prophet (pbuh) and his Companions. English translation by Dr. Muhammad Muhsin Khan.