Yosemite National Park would grow by about 1,600 acres, its first expansion in 75 years, to shield its western boundary from potential development under legislation introduced in Congress on Tuesday.

Biology - Ecology

Apr 24, 2013 4 / 5 (2) 0

(Phys.org)—The largest living organisms on the planet, the big, old trees that harbour and sustain countless birds and other wildlife, are dying. A report by three of the world's leading ecologists in today's issue of the ...

Space & Earth - Environment

Dec 06, 2012 4.2 / 5 (6) 7 |

(Phys.org)—Peter Willis and his team of researchers at NASA's Jet Propulsion Laboratory in Pasadena, Calif., had a problem. Actually, more like they had a solution that needed a problem. Confused? Let's ...

Space & Earth - Space Exploration

Oct 12, 2012 5 / 5 (3) 0 |

Rat poison used on illegal marijuana farms may be sickening and killing the fisher, a rare forest carnivore that makes its home in some of the most remote areas of California, according to a team of researchers led by University ...

Biology - Ecology

Jul 13, 2012 5 / 5 (3) 8 |

Big trees three or more feet in diameter accounted for nearly half the biomass measured at a Yosemite National Park site, yet represented only one percent of the trees growing there.

Space & Earth - Environment

May 02, 2012 5 / 5 (5) 0 |

Global warming has forced alpine chipmunks in Yosemite to higher ground, prompting a startling decline in the species' genetic diversity, according to a new study by researchers at the University of California, ...

Biology - Ecology

Feb 19, 2012 4.4 / 5 (7) 13 |

The prickly pear cactus may not sound like a trendy cash crop, but it could become a phenomenon among farmers on the arid west side of California's San Joaquin Valley.

Space & Earth - Environment

Feb 02, 2012 not rated yet 0

National parks tend to be a tree hugger's paradise. Layers of federal laws, strict park service rules and even the disapproving scowls from some visitors prohibit so much as driving a nail into a tree, much less cutting one ...

Space & Earth - Environment

Jul 31, 2011 4.5 / 5 (2) 1

(AP) -- Federal wildlife biologists have confirmed sightings of two more Sierra Nevada red foxes that once were thought to be extinct.

Biology - Plants & Animals

Dec 04, 2010 4.6 / 5 (5) 14

(PhysOrg.com) -- It waits blindly in the darkness of granite caves in Yosemite National Park, moving little to conserve energy.

Biology - Plants & Animals

Nov 30, 2010 5 / 5 (3) 3 |

(PhysOrg.com) -- Falling rock shatters the tranquillity of Yosemite National Park about every 10 days, and occasionally leads to fatalities. What forces trigger a rockfall? Are there precursor signals that ...

Space & Earth - Earth Sciences

May 18, 2010 5 / 5 (1) 1

In 2009, researchers at the California Academy of Sciences added 94 new relatives to our family tree. The new species include 65 arthropods, 14 plants, eight fishes, five sea slugs, one coral, and one fossil ...

Biology - Ecology

Dec 14, 2009 not rated yet 2

Large trees have declined in Yosemite National Park during the 20th century, and warmer climate conditions may play a role.

Space & Earth - Environment

Jul 29, 2009 4 / 5 (4) 3