Ladybug, where have you gone? Aphid fighters tend to roam

To some casual observers, ladybugs (or lady beetles) are colorful symbols of good luck—harbingers of fortune and fame. Gardeners value them for their utility as ravenous insects that prey upon plant pests. They buy them ...

Governments turn to cloud seeding to fight drought

(AP) -- On a mountaintop clearing in the Sierra Nevada stands a tall metal platform holding a crude furnace and a box of silver iodide solution that some scientists believe could help offer relief from searing droughts.

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.

Dream Chaser is getting tested at NASA

After a journey spanning almost two decades, Sierra Nevada Corporation's Dream Chaser reusable spaceplane, named Tenacity, is officially undergoing environmental testing at NASA's Neil Armstrong Test Facility located at NASA's ...

California's trees are dying, and might not be coming back

The State of California is banking on its forests to help reduce planet-warming carbon dioxide in the atmosphere. But that element of the state's climate-change solution arsenal may be in jeopardy, as new research from the ...

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