According to Guinness World Records, the smallest submarine ever made is just 4mm, or 0.157 inches long, and was created in ...

This is the first story of a two-part series on how the U.S. submarine force is participating in the trilateral AUKUS alliance. Click here to read the second story. ABOARD THE SUBMARINE DELAWARE ...

Big surprise, right? That’s precisely how [Peter Sripol] approached his latest project, which he’s claiming is the world’s smallest remote control submarine. We’re not qualified to say if ...