Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising temperatures are once again causing the world’s oceans to turn green.

From Arizona's canyons to Utah's buttes and beyond, our national parks columnist shares the most adventurous Southwest ...

In the race to combat global climate change, much attention has been given to natural 'carbon sinks:' those primarily terrestrial areas of the globe that absorb and sequester more carbon than they ...

Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with ...

More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA's ...

There are some experiences that defy words, moments so colossal and awe-inspiring that any attempt to capture them in writing ...

The Shoalwater Bay Indian Tribe is turning their invasive green crab problem into a commercial composting opportunity. On a ...

Everyone is familiar with the skylines of massive cities, but in the future, those sights are iable to change. Instead of ...

A recent groundbreaking study has revealed an extraordinary event in the ocean, where a predatory spectacle of massive ...

Cleaner, more pure water backscatters light in the blue range, which makes it look blue. One famous example is Crater Lake in ...

Numbers of eastern blue groper have halved around the Sydney coast since 2008, and the fish is being pushed south as waters warm, a new study has found.

Anemic hauls of Dungeness crab early in the season are the latest setback for California's commercial crab industry, which ...