Many window air conditioners, mini-split heat exchangers and portable air conditioners don’t have the filters needed to ...

Far below the surface of the Pacific, off the southeastern coast of Japan, there’s a place where the Earth is quietly minting ...

Wildfire smoke covering Michigan may not smell like a pleasant campfire because of chemical compounds in the smoke. Why it's ...

Smoke from wildfires in Canada and Minnesota is sending air quality indexes to record levels, posing a hazard for millions of ...

Mount Merapi erupts in Java, sending ash and smoke into the sky as the scene is caught on camera. The footage shows the ...

Millions of Americans and Canadians are breathing bad air right now due to wildfire smoke. Here’s what you need to know masks ...

Explore Mount Taylor near Grants. Discover breathtaking views, a rewarding hike, and an easy escape into New Mexico's natural ...

On September 9, 1883, ominous smoke hung over Huế. The sun was blue-green, and throughout the day, people on the streets had ...

Discover the 16 most famous volcanoes in the world — from Vesuvius to Kilauea. Learn how they form, where lava flows and ...

Sicily's Catania airport reopened on Tuesday after flights were grounded for three days due to an eruption at Mount Etna, ...

Whoopi Goldberg had a good reason for missing her turn on The View on Monday. The TV host was notably absent from the latest ...

Mount Etna has erupted again, blasting a huge cloud of volcanic ash into the Sicilian sky and throwing air travel into chaos as authorities moved to protect aircraft from the dangerous plume.