Fifty-six million years ago, during the Paleocene-Eocene Thermal Maximum (PETM), global temperatures rose by more than 5°C ...

Reid gamely starts snapping, bending down to get the right angle. While this family clearly has no idea who Reid is, there ...

Better wood and better stoves are key components of cleaner air in a cold-weather region where atmospheric inversions trap ...

The foggy season has arrived in San Diego, often called May Gray and June Gloom. But how does it form, and why does it clear some days and not others?

People are often told to stay indoors when the air is thick with wildfire smoke, but pollutants get in. A study shows the ...

Analyzing gravity data collected by spacecraft orbiting other worlds reveals groundbreaking insights about planetary ...

The authors behind that study attempted to find such old ice, taking a “debris-rich ice core” measuring 944 centimeters (372 inches) in length from the Ong Valley, located in the Transantarctic ...

A cap is a layer of warm air aloft that prevents surface-based air parcels from rising freely, but it can be broken by ...

Much like a conveyer belt, an atmospheric river transports moisture from the tropical and subtropical oceans and dumps it as ...

By studying seismic waves, researchers have found a layer deep beneath the surface of Mars that could contain enough liquid ...

Hundreds of eyes turned to the sky last week as students and staff from Massanutten Regional Governor’s School launched their ...