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Update on Dawn spacecraft at Ceres
When will we see new images of the mysterious bright spots on Ceres' surface?
April 7, 2015
Scientists report seasonal changes on sun
Migrating bands of magnetic fields on the sun produce 2-year variations in solar activity as strong as those in the more familiar 11-year solar cycle.
April 7, 2015
Black holes don’t erase information
Since 1975, when Hawking showed that black holes evaporate from our universe, physicists have tried to explain what happens to a black hole's information.
April 6, 2015
Hubble spies enigmatic quasar ghosts
Astronomers use the Hubble Space Telescope to examine 8 ethereal wisps orbiting distant galaxies, illuminated by blasts of radiation from quasars.
April 2, 2015
Astronomers witness a massive star’s birth
Two images of a very massive star, made 18 years apart, have given astronomers a real-glimpse of how massive stars develop early in their evolution.
April 2, 2015
Public invited to NASA flying saucer broadcast today
NASA's rocket-powered, saucer-shaped test vehicle soon will fly into near-space. Join an hour-long live, interactive video broadcast on March 31.
March 31, 2015
Passing comets painted Mercury black
Scientists say comet dust is the invisible paint causing the surface of the innermost planet Mercury to be only barely reflective.
March 30, 2015
See it! This weekend’s moon and Jupiter
Thank you to all in the EarthSky community who posted photos of the moon and Jupiter on March 29, 2015!
March 30, 2015
Black hole winds stop star formation
It's the first time astronomers have seen a supermassive black hole in action, blowing away its galaxy’s reservoir of star-making gas.
March 29, 2015
Nova Sagittarii observation, March 29
The brightness of this unusual nova has gone up and down and now back up again. EarthSky friend Tom Wildoner tells you how to see the nova before it's gone!
March 29, 2015
