A global shift to increased cycling and electric biking could cut energy use and carbon dioxide emissions from ...

In the summer, the air around California’s Central Valley rivers and streams is lively with birds flapping and ...

Humans are the biggest threat facing mountain lions in southern California, where the animals only have about a ...

Native wildflowers in California are losing species diversity after multiple years of drier winters, according to a new ...

How does an acorn know to fall when the other acorns do? What triggers insects, or disease, to ...

California’s San Joaquin Valley is being further polluted by secondhand smog from outside the state’s borders.

A new study casts doubt on the theory that a cosmic impact 12,900 years ago triggered the Younger ...

A number of factors are converging to make hydrogen fuel cell vehicles more attractive to investors and consumers, ...

Scientists say they’ve uncovered one reason zebras have stripes: they act like insect repellent, keeping away blood-sucking flies.

Thousands of dead red abalone that washed up on the beaches of Sonoma County in Northern California in ...