California voters approved new congressional district boundaries Tuesday, delivering a victory for Democrats in the ...

Extreme weather events such as heavy rain and flooding pose growing challenges for early warning systems worldwide.

Two rivers are locked in a fight for a title the world can’t agree on. What seems like a simple answer turns out to be anything ...

The lines of artificial coastal developments might be neat and straight but in reality, they are fragmenting ecosystems and ...

The dramatic shift is a warning sign—and scientists say the changes that aren't yet visible to the naked eye are just as ...

The annual Great Migration of millions of wildebeest and zebras across the plains of the Serengeti is one of the world’s ...

A new Washington Post investigation reveals where climate change has supercharged the movement of moisture through the skies.

Groundwater sustains the Rio Grande and its wildlife, but overuse and pollution threaten this vital freshwater source. Learn how it can be restored.

The storm “totally destroyed” the port of Black River, the prime minister said. At least five people died in Jamaica, and the hurricane killed at least 30 in Haiti. Officials expect the toll to rise.

For decades, the world has watched a tragic cycle repeat itself in Palestine and Israel: violence, Western-led “peace ...

Sudan's brutal two-year war has entered a new phase. The paramilitary Rapid Support Forces has seized control of the entire ...

Daniel Jackson, a 20-year-old Australian, is the self-declared “president” of the “Free Republic of Verdis,” located on a patch of land in the Danube River between Croatia and Serbia.