NASA is gearing up for a simulated Artemis II launch ahead of its first crewed mission around the Moon in more than 50 years. At the same time, scientists are uncovering new clues about extreme storm patterns on Jupiter and Saturn and using artificial intelligence to identify which dinosaurs left ancient footprints here on Earth. Walter Stoddard, senior scientist at the Ontario Science Centre, joins Miranda Anthistle in this week’s edition of 'Science News Now.’