Tesla defied expectations, profiting more and spending less than expected in closely watched results as the company shifts focus from electric vehicles to artificial intelligence (AI).
Pope Leo's four-nation Africa tour has pushed towards a dramatic close, with the pontiff braving a heavy rainstorm to greet prisoners in Equatorial Guinea.
A robot has become so good at playing table tennis that at times it defeated elite human players, in what has been hailed as "a longstanding milestone for AI".