After the US's unprecedented strikes over the weekend, the future of Iran's nuclear programme remains uncertain. Israel has sent a new wave of strikes hitting, among other targets, Evin prison which is home to many political prisoners. The US President Donald Trump has indicated he would not rule out regime change in the country.

Also on the programme, our first glimpse through a powerful new telescope, set atop a mountain in Chile; and, how online conspiracy theories are poising a danger to cancer treatments.

(Photo: Iran's Supreme Leader Ayatollah Ali Khamenei in southern Tehran, Iran, 4 June, 2025. Credit: Office of the Iranian Supreme Leader/WANA (West Asia News Agency/Reuters)