Scientists: Endangered frog rebounding in Yosemite park (Update)

A native California frog once on the brink of extinction is making an encouraging comeback in Yosemite National Park, raising hopes for amphibians like it worldwide that are dying off at an alarming rate, researchers said ...

Rescue and recovery effort for endangered frog

Aiming to rebuild rapidly disappearing populations of a California native frog species, scientists from UC Santa Barbara are collaborating with wildlife agencies and two zoos in a unique rescue effort.

Scientists crack mystery of the Sierra Nevada's age

In science, the simplest questions often prove themselves the most difficult to answer. Questions such as what killed the dinosaurs, or how many fish are there in the oceans took decades to solve or remain unanswered.

Sierra Nevada snowpack lowest in 500 years

Snowpack in California's Sierra Nevada in 2015 was at the lowest level in the past 500 years, according to a new report led by University of Arizona researchers.

SpaceX rocket explodes during test flight

A SpaceX rocket exploded in midair during a test flight, though no one was injured, as the company seeks to develop a spacecraft that can return to Earth and be used again.

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