Characteristics of the Day of Judgment, Paradise, and Hell
حَدَّثَنَا عَمْرٌو النَّاقِدُ، وَزُهَيْرُ بْنُ حَرْبٍ، قَالاَ حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ، عَنِ ابْنِ أَبِي، نَجِيحٍ عَنْ مُجَاهِدٍ، عَنْ أَبِي مَعْمَرٍ، عَنْ عَبْدِ اللَّهِ، قَالَ انْشَقَّ الْقَمَرُ عَلَى عَهْدِ رَسُولِ اللَّهِ صلى الله عليه وسلم بِشِقَّتَيْنِ فَقَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " اشْهَدُوا " .Abu Ma'mar reported on the authority of Abdullah that the moon was split up during lifetime by Allah's Messenger (ﷺ) in two parts and Allah's Messenger (ﷺ) said:Bear testimony to this
From Sahih Muslim, whose reports the scholars accept as authentic.