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Editors of EarthSky
Loss of large predators has disrupted multiple ecosystems
Scientists say decimation of top predators may be humankind's most pervasive influence on the natural world due to cascading effects on ecosystems.
July 15, 2011
Wild parrots name their offspring
Cornell University researchers have found that parent parrots in the wild pass on learned vocal signatures - a bit like human names - to their offspring.
July 15, 2011
NASA’s Dawn spacecraft nears asteroid Vesta
NASA's Dawn spacecraft will arrive at the main-belt asteroid Vesta tomorrow (July 15). Space scientists say the spacecraft is performing normally at this time.
July 14, 2011
A peek at dinosaurs before mass extinction
A team of scientists has discovered the youngest dinosaur preserved in the fossil record before the catastrophic meteor impact 65 million years ago.
July 14, 2011
Galaxy collisions not the only source of monster black hole activity
What causes a monster black hole at a galaxy's heart to turn on and begin radiating powerfully? European astronomers suggest a reason besides galaxy collisions.
July 13, 2011
Rare snow in the Atacama desert, Chile
Satellite imagery captures a rare snowfall in the Atacama Desert of Chile, one of the driest places on Earth. See an image of the rare snow here.
July 12, 2011
Gadgets cause 25% of all U.S. car accidents, report says
A report - using 10 years of science data - suggests that 25% of all U.S. car accidents occur while the driver is using gadgets, such as a cell phone.
July 11, 2011
Can the ocean buffer climate change?
Climate change is negatively affecting the ocean's ability to absorb carbon emissions, say ocean researchers.
July 11, 2011
Heart disease and stroke tied to national income
Developing countries tend to suffer more death and disability by stroke than heart disease, as opposed to countries with higher incomes, says study.
July 11, 2011
What do hummingbirds eat? Find out!
It's fun to watch hummingbirds gather around your backyard feeder. But are you really helping out those hummingbirds by giving them sugar water?
July 9, 2011
