In early August, blue crab fans took over Lewes, Delaware, for the Crab Pot Jamboree, where the biggest catch was learning how to avoid turning your crab pot into an underwater lost-and-found.

Sonar surveys have revealed a dense cluster of sunken vessels on the bottom of Seattle’s Lake Union, a concentration some ...

MANILA, Philippines — Police investigators reconstructed the scene of the drowning of two Ateneo de Manila University student-athletes in Dipaculao, Aurora, using sonar and 3D scanning to map sea ...