Giacomo Palavicini's conservation efforts convinced Honduras to declare a moratorium on shark fishing, making him our July 2015 Sea Hero.

Say hello to these prehistoric sharks — including the infamous Megalodon!

Ever wonder what it's like to capture the amazing underwater footage seen in Shark Week? We've got the answer, courtesy of Andy Brandy Casagrande IV.

Residents of the Faroe Islands have slaughtered about 250 pilot whales in the last 24 hours, according to reports from Sea Shepherd and global media.