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Posts by
Editors of EarthSky
Asteroid Vesta in video from Dawn spacecraft
A video lets us begin to glimpse surface details on the giant asteroid Vesta, as NASA's Dawn spacecraft heads in for a final approach.
June 14, 2011
Two monster black holes active in nearby galaxy
A second supersized black hole has been discovered at the heart of a nearby galaxy - Markarian 739 - already known to be sporting one.
June 13, 2011
Google Ocean maps dive deep
You can now see detailed views of deep ocean floor through Google Ocean. Read more about Google ocean maps and seafloor topography.
June 13, 2011
June 2011 Arizona fires seen from space
By Friday evening, June 10, the Wallow fire in Arizona had burned nearly 409,000 acres. Three images taken from space show the fierce magnitude of this event.
June 11, 2011
How to attract lots of sharks and count them
The jagged edge of a shark's dorsal fin is unique -- like a human fingerprint -- and was a key characteristic in allowing researchers to count one population.
June 10, 2011
Froth of magnetic bubbles at edge of solar system
Voyager mission scientists say these spacecraft have sent back big news from the edge of our solar system: it's bubbly out there.
June 9, 2011
Hottest summers now might be coolest summers by 2050
Coolest summers may be hotter than the hottest summers of the past 50 years for many areas of the globe if greenhouse gases continue to rise, study shows.
June 9, 2011
Supernova 1987A remnant lights up
Supernova 1987A has become the youngest supernova remnant visible to us.
June 9, 2011
Dramatic solar flare June 7, 2011. Aurora alert
On June 7, 2011, a solar flare caused a large cloud of particles on the sun to mushroom up, then fall back, looking as if it covered almost half the solar surface.
June 8, 2011
Tropical forests and carbon storage in 1st-ever map
Researchers looked at three million measurements of treetop height, along with ground data, and calculated the carbon held in tropical forests.
June 4, 2011
