A landmark global treaty to safeguard biodiversity in the high seas came into effect on Saturday, providing countries with a legally binding framework to tackle threats such as overfishing and meet a ...

It's the best time of year to score steep discounts on luxury, expedition, and family cruises across all seven continents.

Just 11 days after their wedding, Tina Watson joined her husband on a deep scuba dive at Australia’s Great Barrier Reef.