In November, the 10th secretary general of Nato warned that this country was in grave danger thanks to the threats posed by a wide range ...

Russian submarine followed spy ship into British waters as it mapped gas pipeline - The Royal Navy chief said earlier this ...

An engineer who once worked with NASA says he has built a machine that can push against gravity without burning a drop of ...

Various land-based fighters were converted to become seaplanes during the Second World War. A few were very impressive, like ...