Ash and debris from the massive January fires are now clouding Australia’s waterways, killing aquatic life and threatening drinking water supplies.

Large container ships are a major contributor to greenhouse gas emissions, but electrifying the world’s fleet faces steep technological hurdles.

People worried about germs might be tempted to trade their reusable mugs and bags for single-use plastics. Environmental advocates say that’s not any safer.

A new study estimates that about 80,000 cetaceans are swept up every year by tuna-fishing nets in the Indian Ocean.

A NASA project to study snowstorms in the Northeast has faced a lack of storms and a broken plane. They’re not giving up.

From tiny insects to big ungulates, animals and their choice of chow can make ecosystems less or more prone to go up in flames.

A typical drought is a slow-motion catastrophe. But scientists are trying to figure out a phenomenon called a flash drought, which forms in as little as two weeks.

Despite hopes that ride hailing would ease traffic and reduce carbon emissions, a new study finds that it’s actually driving them upward.

The snapping shrimp’s claws pop louder than gunshots. Rising temperatures could make them fire  faster—and disrupt their undersea neighbors.

Last week, the Department of Energy gave a commercial company the green light to test fuel made from spent uranium.