Most of us first spot them as children—the white lines in the blue sky that are the telltale sign of a flight overhead. Contrails are an instant visual reminder of air travel, and a source of much ...

The West Coast may soon face an invasion of a destructive pest that decimates forests and lowers property values.

A third of the Arctic’s tundra, forests, and wetlands have become a source of carbon emissions, a new study has found, as ...

The design world is seeing a pivot to more natural looks. And these trendy materials can bring a warm and earthy vibe to your home, both inside and out.