The state of Florida has filed a lawsuit against OpenAI and its chief executive - accusing the company of offering children guidance on self-harm and providing information helping school shooters and other criminals.
Former Paralympic athlete John McFall could become the first person with a physical disability to live and work in space, with blast-off scheduled for as soon as next year.
An injection that eradicated entire tumours in patients with otherwise treatment-resistant cancers in a trial has been praised for its "striking" benefits.