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Stuff Geologists Think They Know Till Tomorrow

The science of geology is like quicksand, ever shifting and not rock solid.

Crinoid Pigment: 240 Million Years and No Evolution

Pigments from crinoids fossilized in early Mesozoic strata are identical to modern counterparts.

Heart Mountain Slide Levitated on Gas

The world's largest landslide moved a mountain range 31 miles on a cushion of carbon dioxide, geologists say.

Living Stalactites and Other Geological Surprises

Dripstones in caves can be made by microbes, some speleologists find. That's among several recent geological surprises.
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