Astronomical Theories Totally Wrong and Upside Down
January 12, 2018
From the planetary scale to the cosmic scale, astronomers are throwing away textbooks.
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Hope, Not Evidence, Drives Astrobiology
August 25, 2016
Earth-size exoplanets are not evidence for alien life. They are evidence for orbiting bodies.
Tiny Enceladus Beats Saturn in Plasma Output
February 17, 2016
An astonishing case of the tail wagging the dog: tiny moon is major source of plasma in Saturn's magnetosphere.
Updates from Outer Planets
January 9, 2016
Let's review some of the latest news from missions to the outer planets.
Moon, Mercury, and Magnetic Fields
May 8, 2015
After the crash of MESSENGER, magnetic fields in the solar system have become a key topic for planetary science.
Sun Attacks, but Earth Fights Back
March 8, 2014
Geophysicists have found that the Earth fights deadly solar radiation with a plasma punch.
Mercury Orbital Science Begins
June 18, 2011
Now that the MESSENGER spacecraft has settled into its orbit, systematic detailed observations are coming in. The Carnegie Institution has posted preliminary findings from the orbital science tour, rejoicing that “Tens of thousands of images reveal major features on the planet in high resolution for the first time,” and confessing that the data are confirming some predictions and revealing surprises.