Surah At-Tur 52:38

أَمْ لَهُمْ سُلَّمٌ يَسْتَمِعُونَ فِيهِ ۖ فَلْيَأْتِ مُسْتَمِعُهُم بِسُلْطَـٰنٍ مُّبِينٍ

Or have they a stairway [into the heaven] upon which they listen? Then let their listener produce a clear authority [i.e., proof].

Translation: Saheeh International

Tafsir

Or do they have a ladder a means of ascension into the heaven whereby they eavesdrop? that is at the top of which they listen in on the conversations of the angels so that they are then able to dispute with the Prophet as they claim. …

Excerpt from Tafsir al-Jalalayn, commentary on 52:38, via Quran.com. The reader has the full commentary and 9 more tafsirs.