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Editors of EarthSky
Arizona Wallow Fire scar seen from space
A June 21 satellite image of the Arizona Wallow fire shows the fire's burn scar as seen from space.
June 28, 2011
In early universe, galaxies were awake or asleep, says study
Astronomers captured light from 40,000 galaxies and discovered that even in the early universe, galaxies were either awake or asleep.
June 27, 2011
Humpback whales make bubble nets with beauty and precision
Humpback whales blow vertical columns of bubbles to herd and corral their prey. Learn more about these beautiful and precise creations.
June 27, 2011
Pandora’s cluster unveiled with new clues
Astronomers use various telescopes to piece together the complex history of Pandora's cluster, showing a pile-up of at least four separate galaxy clusters.
June 26, 2011
Spacecraft rendezvous with icy world: But which one?
The New Horizons spacecraft will have enough fuel for a side trip to a frozen object near Pluto, and IceHunters wants your help in picking the spacecraft rendezvous.
June 26, 2011
Flames of Betelgeuse in new image
Infrared imagery from the Very Large Telescope shows a dazzling nebula around Betelgeuse, one of the brightest stars in the night sky.
June 24, 2011
Can coffee fight Alzheimer’s? Possibly!
Can coffee fight Alzheimer's? A mouse study suggests that a yet-unidentified component in coffee combined with caffeine might improve memory.
June 24, 2011
See a glowing emerald nebula in the Milky Way
Spitzer Space Telescope captured the infrared light from an emerald nebula, RCW 120, likely surrounding terrifically hot giant stars. See it here.
June 23, 2011
Can humans sense Earth’s magnetism?
Can humans sense Earth's magnetism? Research suggests that a protein in the human retina might function as a magnetic sensor. Read more.
June 23, 2011
Alcohol buzz kills, according to study of severe accidents
Even an alcohol buzz can kill. Studies show accidents are 36.6 percent more severe even when alcohol is barely detectable in a driver's blood.
June 22, 2011
