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Posts by
Editors of EarthSky
Astronomers discover the largest structure in the universe
The large quasar group (LQG) is so large that it would take a vehicle traveling at the speed of light some 4 billion years to cross it.
January 11, 2013
A cloudy mystery
A puzzling cloud near the galaxy's center may hold clues to how stars are born.
January 10, 2013
A jumble of exotic stars
This new infrared image shows the globular cluster 47 Tucanae, which contains millions of stars, in striking detail.
January 10, 2013
Even in remote spots, chemicals lurk in trees
Scientists have found that flame retardant chemicals show up as environmental pollutants all over the world, even in remote parts of Indonesia, Nepal, and Tasmania
January 10, 2013
Dark energy alternatives to Einstein are running out of room
Research finds that a popular alternative to Albert Einstein’s theory for the acceleration of the expansion of the universe does not fit newly obtained data.
January 9, 2013
Herschel intercepts asteroid Apophis
SA’s Herschel space observatory made new observations of asteroid Apophis as it approached Earth this weekend. The data shows the asteroid to be bigger than first estimated, and less reflective.
January 9, 2013
Amazon’s diversity loss shows up in the soil
Researchers worry that a loss of genetic variation in microbial communities in the Amazon’s converted agricultural land could negatively affect the entire ecosystem.
January 9, 2013
First bone of the Milky Way identified
Astronomers have identified a new structure in the Milky Way: a long tendril of dust and gas that they are calling a "bone."
January 8, 2013
Scientists mimic fireflies to make brighter LEDs
The nighttime twinkling of fireflies has inspired scientists to modify a light-emitting diode (LED) so it is more than one and a half times as efficient as the original.
January 8, 2013
Traffic jam of moons in habitable zone
Volunteers from the Planethunters.org website have discovered 15 new planet candidates orbiting in the habitable zones of other stars.
January 7, 2013
