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Editors of EarthSky

Wide Field Imager snaps cosmic gecko

This image shows the bright star cluster NGC 6520 and its neighbor, the strange gecko-shaped dark cloud Barnard 86. This cosmic pair is set against millions of glowing stars from the brightest part of the Milky Way.

Mosaic of the moon’s north pole

A mosaic of the moon's north pole composed of nearly 1,000 images taken over a one-month period during the moon's northern summer.

Middle East river basin has lost Dead Sea-sized quantity of water

Already strained by water scarcity and political tensions, the arid Middle East along the Tigris and Euphrates rivers is losing critical water reserves at a rapid pace, from Turkey upstream to Syria, Iran and Iraq below.

Spotting the invisible cracks in wind turbines

A new approach is available for real-time monitoring of the structural health of wind turbine components during exposure to turbulence's.

Engineers mimic how peacocks do color for screen displays

Engineers trying to mimic the peacocks’ color mechanism for screens have locked in structural color, which is made with texture rather than chemicals.

Best pics from EarthSky Facebook friends during 2012 Backyard Bird Count

During the 2012 Backyard Backyard Bird Count, some great bird pics from EarthSky Facebook friends.

Intelligent civilizations rarer than one in a million

NASA’s Kepler mission has identified 2,740 planets orbiting other stars, but do any of them harbor intelligent life?

Astronomers ask public to help name Pluto’s new moons

The discoverers of Pluto's two tiniest moons are inviting the public to help select names for the new moons.

How the world’s saltiest pond gets its salt

Findings based on data gathered about the sustained salinity of Antarctica’s Don Juan Pond suggest that such ponds could be possible on Mars.

Salmon use Earth’s magnetic field to navigate ocean to river, says study

Scientists examined 56 years of fisheries data documenting the return of sockeye salmon to the Fraser River in British Columbia – and the route they chose showed a correlation with changes in the intensity of the geomagnetic field.