Since the US bombed Iran's key nuclear sites last year, analysts say work has increased at a secret underground facility that could be used to restart Tehran's nuclear program.

Iran is blocking the International Atomic Energy Agency (IAEA) from inspecting multiple sites of interest in its nuclear weapons development programme, a senior source in the European Union’s (E.U.’s) ...

Animated map of the Kuh-e Kolang site, known as “Pickaxe Mountain,” near the Natanz nuclear facilities, Iran. 3D reconstruction produced by AFP using Planet Labs PBC images taken on June 20, 2025. The ...