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Posts by
Editors of EarthSky
Insect-like flying machines for surveillance
Scientists are developing tiny aerial vehicles with innovative flapping wings based on those of natural insects. Read more about flying machines.
July 29, 2011
A Trojan asteroid for Earth?
Astronomers have discovered the first known Trojan asteroid orbiting the sun along with Earth.
July 29, 2011
After 10,000 year absence, wildfires have returned to Arctic tundra
The huge stock of carbon contained in tundra could increase atmospheric CO2 drastically, when released by a fire. Read more about wildfires.
July 28, 2011
Aging brains are different in humans and chimps
Evolution of human longevity led to both a large brain and brain shrinkage, compared to chimpanzees, say researchers. Read more on aging brains.
July 27, 2011
A tipping point for the spread of ideas?
Researchers say the tipping point where a minority belief becomes the majority opinion is at 10 percent. Read more about this tipping point.
July 27, 2011
New nebula discovered by amateur
An amateur astronomer from Austria helping with the Kepler search for planets like Earth finds a beautiful nebula -- Kronberger 61.
July 26, 2011
Largest, oldest mass of water in universe around a black hole
The cloud of water vapor - 140 trillion times more water than in Earth's oceans - is 12 billion light-years away and surrounds the black hole of quasar.
July 25, 2011
Carbon sequestration a surprise benefit of forest plan
When the U.S. Northwest Forest Plan stopped most tree cutting on public lands, the area became a carbon sink. Read more on carbon sequestration.
July 25, 2011
Does optimism help prevent stroke?
On a 16-point scale, each point increase in optimism correlated with a 9 percent reduction in stroke risk, according to a study by the University of Michigan.
July 22, 2011
Exoplanet aurora is out of this world
An exoplanet like a hot Jupiter, orbiting close to its sun, would likely have an aurora up to 1,000 times brighter than one on Earth. Read more on exoplanet aurora.
July 22, 2011
