A new report on air quality across the U.S. offers a cloudy prognosis on the long-term health of about 156 million residents ...

US oil prices sank below $60 a gallon on Monday as fears worsened that President Donald Trump’s stiff tariffs could push the US into a recession – and analysts warned of a potential “eye ...

Fifty-six years ago, a disaster off the coast of Santa Barbara sparked the creation of Earth Day, a movement that continues to ...