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Physical sciences/Earth sciences/Geology/Physical geology/Volcanology/Magma

Science conversation, not communication
Glassy Spheres Suggest Celestial Body Hit Earth 50 Million Years Ago
Weather “Bomb” Makes Waves Deep in the Earth
Back to the Challenger Deep
<i>Science:</i> Cassini Detects Signs of a Subsurface Ocean on Enceladus
Enceladus, one of Saturn's smaller moons, may have a subsurface ocean at least the size of the U.S.' Lake Superior in its southern hemisphere.
Science: GRAIL Mission Reveals Moon’s Crust in Detail

1205grail_moon

An artist’s depiction of the twin spacecraft Ebb and Flow that comprise NASA’s GRAIL mission.
[Image credit: NASA/JPL-Caltech/MIT]

<em>Science</em>: Ancient Impact May Explain the Moon’s Magnetic Quirks

A giant asteroid that struck the moon long ago, creating what is possibly the largest and oldest impact crater in the entire solar system, may explain the surprisingly strong magnetic fields that emanate from the lunar crust today, researchers say in the 8 March issue of Science.