The Houston-based company hopes to send another spacecraft in March that would drill to find underground ice. We discuss what this means other private firms hoping to explore space

Google fixes its new AI-powered tool for creating pictures, after claims it was over-correcting against the risk of being racist. We hear from a former Google executive about the challenges facing tech companies who are working with AI tools.

Shares in chipmaker Nvidia surge. We hear what is behind the $277bn in history’s biggest ever stock rally