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The United States said Monday that it has formally asked Iran to return an American surveillance drone that fell into Iranian hands earlier this month. Iran says it is extracting technology from the lost aircraft and will build copies of it.
The United States, in concert with key allies, sharply tightened economic sanctions on Iran Monday to press Tehran to end a suspected drive for nuclear weapons. Britain and Canada joined the U.S. sanctions move, while other European countries are also...
The European Union (EU) and the United States (US) have initialed a new agreement on the transfer of air passengers’ data for flights from the EU to the US.
Pest-control services provided by insect-eating bats in the United States likely save the U.S. agricultural industry at least $3 billion a year, and yet insectivorous bats are among the most overlooked economically important, non-domesticated animals...
The USGS has updated the magnitude of the March 11, 2011, Tohoku earthquake in northern Honshu, Japan, to 9.0 from the previous estimate of 8.9. Independently, Japanese seismologists have also updated their estimate of the earthquake’s magnitude to...
Slower-growing trees. More severe fires. More bark beetle outbreaks. A lot more dead trees. And big changes in where various tree species are dominant in southwestern U.S. forests.
The severe damage and loss-of-life caused by the devastating January 2010 M7.0 earthquake in Haiti was exacerbated by amplification of shaking due to local geological conditions and landforms in Port-au-Prince, according to a study published online in...
Climate change has had a significant effect on mountain vegetation at low elevations in the past 60 years, according to a study done by the University of California at Davis, University of Wisconsin-Madison, and U.S. Geological Survey.
Previous research has claimed that the reintroduction of wolves to Yellowstone National Park in 1995 is helping restore quaking aspen in risky areas where wolves prowl. But apparently elk hungry for winter food had a different idea.