Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

Maps show the best weeks in 2025 for leaf peeping across the U.S., with peak colors arriving as early as late September in ...

This fall, the vibrant colors of orange, red, gold and yellow are coming. We show where leaves are expected to pop this year.

West Nile virus (WNV) has been the dominant cause of mosquito-borne illness in the United States since its introduction into North America in 1999. There are no vaccines nor medications to prevent or ...

Erin has become the first hurricane of the Atlantic season with strong waves and rip currents possible along the East Coast ...

Erin, the first hurricane to develop over the Atlantic this year, became post-tropical on Friday afternoon, the National ...

Much of the UK looks set to be hit by widespread storms in just a few hours time, with warnings issued in some regions.