Tel Maresha Caves Reveal Lost World of the Idumeans. “Dig for a Day” & Israel Antiquities Authority excavate subterranean metropolis. This one gives some background on the site and the excavation. It also links to a relevant 2013 Biblical Archaeology Review article that is behind the subscription wall.
Tel Maresha Caves Reveal Hellenistic Treasures. Bible and archaeology news. This one discusses the recent discovery of more than a thousand bullae (seal impressions), some inscribed with images and writing. It also notes some other finds in other rooms which have received less media attention.
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