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Editors of EarthSky
U.S. Northeast already hit by climate change, says major report
New U.S. government report on climate change - first in five years - due out May 6. It outlines ongoing effects of a warming climate in the U.S. Northeast.
May 5, 2014
See Uranus from Saturn
Looking beyond the rings of Saturn, Uranus is that tiny blue dot in the upper left in this first ever image of the planet, taken by NASA's Cassini spacecraft.
May 1, 2014
Entire star cluster thrown out of its galaxy
Galaxy M87 has thrown an entire star cluster toward us at two million miles per hour. The cluster's fate, scientists say, is to drift through the void between the galaxies for all time.
May 1, 2014
View from space: Arkansas tornado track
A violent tornado touched down in Arkansas on April 27, 2014, killing as many as 15 people. In an April 28 satellite image, you can see the tornado's track. Compare it to a satellite image of the same area taken before the tornado.
April 30, 2014
Exoplanet’s day lasts only 8 hours
The length of an exoplanet's day has been measured for first time.
Planet Beta Pictoris b, 63 light-years away, is 16 times larger and 3,000 times more massive than the Earth, yet a day on the planet only lasts 8 hours.
April 30, 2014
A circuit board modeled on the human brain
New microchips based on the human brain are 9,000 times faster and use significantly less power than a typical PC.
April 30, 2014
Growing lettuce in space
A new space-faring lettuce is taking root on the International Space Station. Its name is "Outregeous."
April 28, 2014
Sun’s fourth-closest neighbor is cold and frosty
Astronomers have discovered a dim, star-like body that surprisingly is as frosty as Earth's North Pole. This "brown dwarf" is only 7.2 light years away, making it one of the sun's nearest neighbors.
April 28, 2014
First sex-determing genes appeared 180 million years ago
The Y chromosome, which distinguishes males from females at the genetic level, appeared some 180 million years ago, according to a new study published in Nature.
April 24, 2014
Is spacetime like a liquid?
A very slippery superfluid, that’s what spacetime could be like, say physicists.
April 24, 2014
