What is it about castles that fascinates so many people around the globe? A lot of the allure derives from the history and human drama that played out within the walls, as well as the astonishing ...

The Royal Navy is testing how to use robots to seek out and detonate mines and other threats found near vital yet vulnerable undersea cables and pipelines at greater depths than a human diver can ...

Russia is giving off a clear sign that it wants to gear up for war with NATO in the coming years, experts suggested after ...