All eyes have been on three of Iran’s nuclear facilities this week. The targets of an attack on Saturday by the United States. Marnie Chesterton asks Professor Simon Middleburgh, nuclear materials scientist at the Nuclear Futures Institute at Bangor University what the impact could have been.

As the first images are revealed from the world’s most powerful optical telescope, Professor Chris Lintott brings us news of how you can get involved in scouring the depths of the universe. Caroline Steel brings us the science news that has scientists excited this week, and Marnie visits the first new dinosaur to go on show at London’s Natural History Museum for more than a decade.

Presenter: Marnie Chesterton Producers: Dan Welsh, Jonathan Blackwell & Clare Salisbury Editor: Glyn Tansley Production Co-ordinator: Jana Bennett-Holesworth