Han’s team estimates that the area covered by salty seawater in this Southern Indian Ocean region has shrunk by about 30% over the past 60 years. They describe it as the fastest freshening seen ...

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 ...

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

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 ...

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.

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 ...

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

The latest climate forecast from the National Oceanic and Atmospheric Administration (NOAA) shows that an El Niño climate pattern is on track to arrive midway through hurricane season — a pattern that ...