Science
Population of Africa's mountain gorillas rises
The population of Uganda's mountain gorillas has grown to 400, up from 302 in 2006, according to a census conducted last year, bringing the total number of mountain gorillas in Africa to 880 and giving hope to conservationists trying to save the critically endangered species.
NASA symposium meeting in Virginia
A NASA symposium in Virginia is examining ideas that may lead to advanced and innovative space technologies.
Brazil aims to clone wild animal species
Brazilian researchers are turning to cloning to help fight the perilous decline of several animal species.
Study: Stone spear tip made by earlier ancestor
Scientists say they've found evidence that stone tips for spears were made much earlier than thought, maybe even created by an earlier ancestor than has been believed.
Ruptured cable at Russian Mission Control fixed
Russia's space agency says a ruptured communications cable serving its Mission Control just outside Moscow has been fixed.
American Samoa bans shark fishing to save species
American Samoa is banning shark fishing in its waters in hopes of stopping the population's decline.
Feds: Lack of sea ice changes walrus behavior
The absence of vast swaths of summer sea ice is changing the behavior of Pacific walrus, federal scientists said Wednesday, but added that more research will be needed to say what the final effects might be.
Calif. panel rejects quake study near nuke plant
Citing harm to marine life, California coastal regulators on Wednesday soundly rejected a utility's plan to map offshore earthquake faults near a nuclear power plant by blasting loud air cannons.
Rat kill in Galapagos Islands targets 180 million 1/4t
The unique bird and reptile species that make the Galapagos Islands a treasure for scientists and tourists must be preserved, Ecuadorean authorities say _ and that means the rats must die, hundreds of millions of them.
San Francisco area drivers 1st with algae biofuel
Drivers in the San Francisco Bay Area have become the first motorists in the nation to fill up their gas tanks with an algae-based biofuel.
#GISday honors smartphone location technology
It's hard to imagine driving to a new destination without the help of a GPS, or walking through a city unaware of the location of the nearest Starbucks.
Glacier melt cited as main cause of rising seas
Austrian experts say melting glaciers have been the single greatest cause of rising sea level over the past century.
Clouds part, solar eclipse darkens north Australia
From boats bobbing on the Great Barrier Reef, to hot air balloons hovering over the rainforest, and the hilltops and beaches in between, tens of thousands of scientists, tourists and amateur astronomers watched as the sun, moon and Earth aligned and plunged northern Australia into darkness during a total solar eclipse Wednesday.
Global warming talk heats up, revisits carbon tax
Climate change is suddenly a hot topic again. The issue is resurfacing in talks about a once radical idea: a possible carbon tax.
Expert: Ky. earthquake not from mining
Geologists say the 4.3 magnitude earthquake that shook eastern Kentucky over the weekend was too deep to be induced by the region's underground mining activity.
Predicting presidents, storms and life by computer
Forget political pundits, gut instincts, and psychics. The mightier-than-ever silicon chip seems to reveal the future.
New Zealand won't sign 'Kyoto 2' climate treaty
New Zealand's government said Friday that it would not sign on for a second stage of the Kyoto Protocol climate treaty, a stance that angered environmentalists and political opponents.
Official backs studying quake risks at nuke plants
Recent earthquakes demonstrate the need for the nation's nuclear industry to re-evaluate the geologic hazards facing power plants, a process that has already started, the new chair of the U.S. Nuclear Regulatory Commission said this week.
Scientists locate planet similar in size to Earth
David DeVorkin, curator at the National Air and Space Museum
Archaeologists discover Thracian golden jewelry
Archaeologists say they have unearthed an almost 2,400-year-old golden hoard in an ancient Thracian tomb in northern Bulgaria.
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Ken Walsh, White House Correspondent: U.S. News & World Report