NASA's Hubble observations suggest underground ocean on Jupiter's largest moon

From NASA/Goddard Space Flight Center – NASA’s Hubble Space Telescope has the best evidence yet for an underground saltwater ocean on Ganymede, Jupiter’s largest moon. The subterranean ocean is thought to have more water than all the water on Earth’s surface. Identifying liquid water is crucial in the search for habitable worlds beyond Earth and…

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Reflections on Monckton et al.'s 'Transience Fraction'

Guest essay by Joe Born In Monckton et al., “Why Models Run Hot: Results from an Irreducibly Simple Climate Model,” the manner in which the authors used their so-called transience fraction raised questions in the minds of many readers. The discussion below tells why. It will show that the Monckton et al. paper obscures the…

Notes on the APS Workshop on Climate Change

Guest essay by Andy May In January, 2014 the American Physical Society (APS) held a one day workshop on climate change and invited six climatologists to participate.  A full transcript of the workshop can be found here. The six speakers are all very eminent climate scientists.  The discussion was limited to the physical basis of…

A new twist on predicting U.S. hurricanes – watch African thunderstorms two weeks in advance

Predicting which African storms will intensify into hurricanes Tel Aviv University researcher finds hurricanes ravaging US and Canada originate as disturbances in western Africa’s atmosphere Hurricanes require moisture, the rotation of the earth, and warm ocean temperatures to grow from a mere atmospheric disturbance into a tropical storm. But where do these storm cells originate,…