News tagged with crust

Study zeros in on plate tectonics' start date

Earth has some special features that set it apart from its close cousins in the solar system, including large oceans of liquid water and a rich atmosphere with just the right ingredients to support life as we know it. Earth ...

dateJan 21, 2016 in Earth Sciences
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Water Planets

Of the roughly 420 extra-solar planets now known, about a dozen are in the newly named category of "super-earths," planets whose masses are in between of two and about fifteen earth-masses.

dateJan 22, 2010 in Astronomy
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