Behind the commander in chief's desire to craft an AI self — not itself uncommon — an infantry of official communications ... Past presidents "had to actually have fought in a war to run as a war hero ...

Ultra-fast, crewless vessels now rule the waves – and Nato navies are queuing up to deploy the high-tech new craft ...

From aliens to time travel, the best sci-fi games will have you experiencing whole new worlds from the comfort of home ...