Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Posts by
Editors of EarthSky
Brightest quasar in early universe found
The quasar ULAS J1120+0641 is the brightest object yet discovered in the early universe, powered by a black hole with a mass two billion times that of the sun.
June 30, 2011
Annual cost of weather may total $485 billion in U.S.
New analysis may be able to estimate the cost of weather on the U.S. economy. Read more about the new study's economic analysis here.
June 29, 2011
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
