The Pacific Ocean is warming so quickly that scientists had to find a new method for detecting and predicting El Niño and La Niña events.

Tropical forests help to generate vast amounts of rainfall each year, adding weight to arguments for protecting them as water and climate pressures increase, say researchers. A new study led by the ...

The southern Indian Ocean off the west coast of Australia is becoming less salty at an astonishing rate, largely due to ...

A look at what we know and don't yet know about how climate change could affect the paths of these storms — and the all-important question of how often they'll make landfall.

Chikungunya virus, a debilitating tropical disease caused by infected mosquito bites, poses a greater health threat in Europe ...

Rainfall is often treated as a gift of geography — a function of latitude, oceans, and atmospheric circulation. A growing body of research suggests that in the tropics, it is also a product of ...

The virus was first detected in 1952 in Tanzania and has historically been confined to tropical regions, where millions of infections occur each year.

India is home to tropical forests, especially in regions that experience heavy rainfall, warm temperatures, and high humidity year-round. New study reveals they generate wealth.

What is chikungunya virus? Symptoms and advice after European transmission warning - Health authorities have urged people to ...

The El Niño Southern Oscillation (ENSO) is a natural pattern of ocean and atmospheric changes in the tropical Pacific Ocean that can influence the weather pattern ...

Climate change is rapidly freshening one of Earth’s saltiest ocean regions in the Southern Indian Ocean, potentially disrupting circulation.

Otherworldly landscapes, petroglyphs, and plenty of critters make this Arizona park particularly special. Here’s how to visit.