Tory Bruno provided an update on the investigation into the Vulcan mishap and discussed when to expect next ULA launch.

Promising results from an early-stage trial suggest that lenacapavir injections might offer long-lasting protection. What will really matter in the long run? That’s the question we tackle each ...

Security and defence analyst Michael Clarke has answered your questions on the Ukraine war - read or watch his answers below. You can also submit a question for next week's Q&A.