Air quality in some parts of the United States is being compromised as smoke from dozens of wildfires in Canada travels south ...

The 120-mile Tijuana River flows from Baja California into the United States and discharges millions of gallons of wastewater ...

UC Davis Aggies athletes pose in newly unveiled “Bold Aqua” alternate uniforms that will be worn during some fall sports ...

At least five gray whales have died in the San Francisco Bay area over the past week, in a year when there has been an ...