Multi-year drought caused massive forest die-off in Sierra Nevada
The most extreme drought event in hundreds of years caused a catastrophic die-off of the Sierra Nevada's mature trees in 2015-2016.
The most extreme drought event in hundreds of years caused a catastrophic die-off of the Sierra Nevada's mature trees in 2015-2016.
Environment
Jul 2, 2019
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At midnight, researchers aboard the vessel John Le Conte—an old 37-foot diesel-powered salmon trawler—dropped a net into icy cold waters.
Earth Sciences
Jul 23, 2023
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170
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 ...
Ecology
Jul 10, 2018
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Virgin Galactic owned by Sir Richard Branson completed a successful test on May 28, 2009 of its hybrid nitrous oxide motor designed by Scaled Composites and a subcontractor Sierra Nevada Corporation. The innovative hybrid ...
Like an old man suddenly aware the world has moved on without him, the conifer tree native to lower elevations of California's Sierra Nevada mountain range finds itself in an unrecognizable climate. A new Stanford-led study ...
Plants & Animals
Feb 22, 2023
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(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.
Earth Sciences
Dec 10, 2009
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Sierra Space's shuttle-like Dream Chaser has been put through its paces at a powerful NASA vibration facility that mimics conditions during launch and atmospheric reentry, officials said Thursday ahead of its planned first ...
Space Exploration
Feb 1, 2024
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107
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.
Environment
Sep 14, 2015
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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 ...
Space Exploration
Dec 26, 2023
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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 ...
Earth Sciences
Jul 14, 2022
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