Europa, one of Jupiter’s moons, is considered one of the most promising places to search for alien life, thanks to its ...

Europa Clipper, named for the speedy clipper ships of the 19th century, ... “I accept that I’m probably not going to get to see that Europa submarine, ...

Submarines are among the most advanced and deadly weapons systems in the world. Armed with torpedoes, cruise missiles and sometimes intercontinental ballistic missiles, they’re capable of ...