Fentanyl-sniffing sensor outperforms dogs at border, detecting airborne drugs in seconds with pinpoint accuracy.

Actions by the Trump administration are putting wildfire response, water resources, natural lands and clean energy efforts in ...

In an L.A. park, Trump unleashed his latest show of farce: The Battle of the Photo Op, argues columnist Gustavo Arellano.

California legislators re-introduced the Border Water Quality Restoration and Protection Act, an effort to address Tijuana ...

Experts say climate change is making extreme weather events more frequent and severe, but that our attitudes and actions ...

Chantal arrived in central North Carolina, bringing more than 10 inches of rainfall and massive flooding to parts of the ...

The combined effects of climate change and air pollution have led to direct declines in precipitation in the U.S. Southwest, ...

Scores of rescuers searched Saturday for children from a girls' camp and many others who were still missing after a powerful ...

As deaths from Texas flooding rise, local officials in one county have still revealed little about what, if any, actions they took to safeguard residents, tourists and visitors.