The ocean, blanketing over 70% of the Earth’s surface, is estimated to be home to more than half of all life on our planet.

Perched on the edge of America where land surrenders to the vast Pacific, the Old Point Loma Lighthouse in San Diego stands like a maritime masterpiece painted against an endless blue canvas.

We know more about Mars than we do the deep, dark sea – and with that comes many baffling puzzles. From cursed shipwrecks to ...

Snorkeling among countless stingless jellyfish in far-off Micronesia would’ve been a pinch-me moment on its own. But doing so in one of the world’s few marine lakes — and without another tourist in ...