Mariposa Grove is ranked #4 out of 21 things to do in Yosemite National Park. See pictures and our review of Mariposa Grove.

Pacific Grove residents gathered at George Washington Park to celebrate Arbor Day with tree planting and sustainability education.

Watch our Costa Rica video to discover how a white‑winged dove nesting in a hanging plant—and wildlife visiting tree cavities—naturally fertilize soil, balancing plant damage with nutrient gains.

A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme elevations.

Dozens of bird eggs and chicks were rescued from nests in a single wind-damaged eucalyptus tree that was dangerously close to collapsing in a California park.

In a heroic rescue effort, the New Smyrna Beach Fire Department successfully freed a bird entangled in a fishing line high in a tree on Saturday morning. Firefighters said they received a report ...

California declared a state of emergency this week over the spread of bird flu in the state as the virus continues to be detected among the state’s cattle herds.

A California kid is the US’ first reported case of bird flu in a minor. They had mild symptoms and was treated with antiviral medication and is recovering, the Centers for Disease Control and ...

The infection brings the reported number of U.S. bird flu cases this year to 55, including 29 in California, the CDC said. Most were farmworkers who tested positive with mild symptoms.

Health officials confirmed bird flu in a California child on Friday — the first reported case in a U.S. minor.The child had mild symptoms, was treated with antiviral medication, and is ...

California case is the first confirmed bird flu infection in a US child The child had mild symptoms and is recovering.