Swimmers and beachgoers in Florida, South Carolina and North Carolina were urged to use caution when entering the ocean.

A new tool that assesses the level of danger posed by tsunamis in real-time has been made operational on a global scale.

Scientists found giant buried mud waves in the Atlantic, revealing the ocean began forming earlier than thought and ...

The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with spiny creatures ...

For surfers, dangerous seas can mean a whole range of different things. Are there dominant rip tides, pulling you away from ...